Algebra | Superprof

All questions on Maths

algebra

if 2x-3x(x+4)=-5 then x=?

Emma

Answers Expand the brackets: 2x-3x^2-12x=-5 This gives you3x^2+10x-5=0 and then you use the quadratic formula in order to find x :-) marias 04 January 2019 x= −5/3 + −2/3 Γ10 or −5/3 + 2/3 Γ10Γ = square rootYou need to expand, simplify then use the quadratic equation. bmsharpie 09 January 2019 simplify the equation as:2x-3x^2-12x+5=0multiply the whole equation with -13x^2-2x+12x_5=03x^2+10x-5=0use the quadratic formula and solve it navya 15 March 2019 Add an answer Cancel reply Your answer Last name* E-Mail*

Current ye@r *

Leave this field empty

Similar questions

can anyone help me and explain how allegbra works??

can anyone help me and explain how allegbra works??

Emma

college algebra

I need help in finding the perimeter of a triangle with vertices

Emma

Find x

(x-2)3/3=-9/(x-2)

Emma

Help!

How do you solve for x

119x = 9

Emma

How can i solve algebraic expressions

How can i solve algebraic expressions

Emma

how do i turn word problems into algebra format

john is 4 years younger than his sister mary. the sum of their age is 20. using algebra by letting marys age = x and constructing an equation. find johns age. i dont know how to put this in algebra form. can you help. thanks

Emma

how do solve algebra equations?

how do solve algebra equations?

Emma

how do u work out 5(x-3)+3(x+2)=7x

solving equations involving brackets

please help

Emma

I am struggling with algebraic equations like...

(W)(w-5)-w-22=(w+5)(w-5) and solving for w

Emma

i do not get algeber

i do not get algeber

Emma

I need help asap please

3(k+3)+20≥2

Emma

if (n+4) x 5 =40 n=

if (n+4) x 5 =40 n=

Emma

in an algebraic arithmetic sequence, how do i find the missing number?

the question is: the first three terms of an arithmetic sequence are (12-p), 2p and (4p-5) respectively, where p is a constant. Find the value of p.

Emma

integrated algebra and geometry EQUATIONS

write the slope-intercept form of a line that passes through (-4,-4) and (-2,1)

Emma

Intermediate Algebra question.

The sum of two integers is twenty-four. The difference between four times the smaller integer and nine is three less than twice the larger integer. Find the integers.

Emma

Intermediate Algebra question.

The sum of two integers is twenty-four. The difference between four times the smaller integer and nine is three less than twice the larger integer. Find the integers.

Emma

make the leeter in brackets the subject

1. ax-d=h [x] 2.zy+k=m [y] 3.d(y+e)=f [y] 4.m(a=k)=d [k]
2. a+bm=c [m]
3. ae squared= b [e] 7.yt squared=z [t]
4. x squared - c=e [x] 9.my-n=b [y]
5. a(z+a)=b [z]

Emma

math

4(x-9)=4(9+1/3x)

Emma

Math Quadratic Equations ?

Solve the following Quadratic equation algebraically;

6x(5x-7) = 0

Emma

Maths Algebra

write down to expressions for the perimeter of a square one with brackets and another without brackets of t+3

Emma

Quadratic Equations

How do I find the roots of a quadratic equation?

Emma

Quadratic equations and roots

This question is about quadratic equations and their roots

Emma

quadratic expreesion

quratic

Emma

Quadratics

An apartment owner wants to increase the monthly rent from the $250 in x increases of $10.

1. What is the new price after the x increases of $10?

2. If the number of apartments rented is 70 – 2x and the revenue is the number of apartments rented times the rent, what is the revenue?

3. If the owner wants to receive $17,980 per month, how many $10 increases can the owner make?

4. What will be the monthly rent?

Emma

Use f(x)=x+7 and g(x)=x+3 to find the following

(f+g)(x)= (f-g)(x)= (fg)(x)= (f/g)(x)=

Emma

What is 2a+b+5a+b+a+2b=

What is 2a+b+5a+b+a+2b=

Emma

What is algebra

What is algebra

Emma

Algebra

s=1/2(a+4.5+3.4) What is the value of a?

Emma

algebra

what it 7y-5y-y? can uu just give me the answer plz

Emma

algebra

algebra

Emma

Algebra

Can anybody summarise the purpose of Algebra?

Emma

Algebra

x-2y=2

Emma

Algebra

1/8 (5y + 64) = 1/4 (20 + 2y)

Emma

algebra

algebra

Emma

Algebra

f(x)=(x3-27)/(x2+x-12) find the symptopes

Emma

algebra

substituion

Emma

Algebra

what is 2x ^2 -7 + 23 = 0 Its a quadratic equations

Emma

algebra

the width of a tennis court is ten more than one-third its length. if the court is 78 feet long, what is its perimeter?

Emma

Algebra

It is given that a,b,c are positive values. 1) show that (a+b+c)((1/a)+(1/b)+(1/c)) >= 9

2) If a+b+c=1 , show that (2-a),(2-b),(2-c) are positive

3) Using above results show that [(a/(2-a)) + (b/(2-b)) + (c/(2-c)) ] >= 3/5

I need help with 3rd part

Emma

algebra 2

On opening night of the drama club’s play, they made $1366. They sold a total of 199 tickets. They charged $8.50 for each adult ticket and $5.00 for each child’s ticket. Which of the following system of equations represents this problem?

Emma

algebra 4

4y(y-3)(y+4)/y(y2-y-6)

Emma

Algebra B

Find the roots of the equation x2-x=6 algebraically

Emma

Algebra 2

How do you simplify (91/2 * 92/3)1/6?

Emma

algebra maths help

Produce an equation that describes the displacement of the slider, d, in terms of the crank radius, r, rod length, l, and angle of rotation of the crank, Φ Prove that when Φ = 0, d = 0 and when Φ = π rad, d = 2r

Emma

algibra

hi people im stuck on a pece of p6/ homework. the sheet says write the following expressions, using algebraic conventions,

a) 6 less than x b) 3 more than y c) z more than 4 D)f less than 7 e) x multipied by y f) 7 multiplied by y G)26 divided by z H) h divided by 5 i) 5 multiplied by y j) 12 divided by x k) 8 subtrackted by x l) x subtracted by 8.

please help (mabie do the ancers for me? )

thanks very much :D

Emma

algebra worded questions

my mother is 43 years old.I am w years old.Write a expression as to how old we will both be in h years time?

Emma

Algerbra

How do I write the following as algerbra formula ?- A=2 B=3 add 2+3=5 add 3+5=8 add 5+8=13 add 8+13=21 add 13+21=34 add 21+34=55 add 34+55=89 add 55+89=144 Finally add all 10 numbers =374

Emma