Find The Roots (Zeros) X^3-4x^2-7x+28=0 | Mathway

Enter a problem... Precalculus Examples Popular Problems Precalculus Find the Roots (Zeros) x^3-4x^2-7x+28=0 Step 1Factor the left side of the equation.Tap for more steps...Step 1.1Factor out the greatest common factor from each group.Tap for more steps...Step 1.1.1Group the first two terms and the last two terms.Step 1.1.2Factor out the greatest common factor (GCF) from each group.Step 1.2Factor the polynomial by factoring out the greatest common factor, .Step 2If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .Step 3Set equal to and solve for .Tap for more steps...Step 3.1Set equal to .Step 3.2Add to both sides of the equation.Step 4Set equal to and solve for .Tap for more steps...Step 4.1Set equal to .Step 4.2Solve for .Tap for more steps...Step 4.2.1Add to both sides of the equation.Step 4.2.2Take the specified root of both sides of the equation to eliminate the exponent on the left side.Step 4.2.3The complete solution is the result of both the positive and negative portions of the solution.Tap for more steps...Step 4.2.3.1First, use the positive value of the to find the first solution.Step 4.2.3.2Next, use the negative value of the to find the second solution.Step 4.2.3.3The complete solution is the result of both the positive and negative portions of the solution.Step 5The final solution is all the values that make true.Step 6The result can be shown in multiple forms.Exact Form:Decimal Form:Step 7

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