Let F(x) = X2 + 3x - 4 And G(x) = X + 5. Find F(x) . G(x) ? - Cuemath

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Solution:

Given, f(x) = x2 + 3x - 4 and g(x) = x + 5.

We have to find f(x) . g(x)

f(x) . g(x) = (x2 + 3x - 4) (x + 5)

Using the multiplicative distributive property

f(x) . g(x) = x3 + 5x2 + 3x2 + 15x - 4x - 20

So we get

f(x) . g(x) = x3 + 8x2+ 11x - 20

Therefore, f(x) . g(x) is x3 + 8x2+ 11x - 20.

Let f(x) = x2 + 3x - 4 and g(x) = x + 5. Find f(x) . g(x) ?

Summary:

If (x) = x2 + 3x - 4 and g(x) = x + 5, the value of f(x) . g(x) is x3 + 8x2+ 11x - 20.

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