Homework SourseHow do you factor x3 3x2 4Solutionx3 3x2 4 Factorise x3 2x
How do you factor x3 + 3x2 - 4
Solution
x^3 +3x^2 -4
Factorise:
x^3 +2x^2 +x^2 -4
(x^3 +2x^2) +(x^2 -4)
x^2(x +2) +(x +2)(x -2)
(x+2)[ x^2 +x -2]
(x +2)[x^2 +2x -x -2]
(x +2)[ x(x+2) -1(x +2) ]
(x+2)(x -1)(x +2)
(x+2)^2(x -1)
![How do you factor x3 + 3x2 - 4Solutionx^3 +3x^2 -4 Factorise: x^3 +2x^2 +x^2 -4 (x^3 +2x^2) +(x^2 -4) x^2(x +2) +(x +2)(x -2) (x+2)[ x^2 +x -2] (x +2)[x^2 +2x -](/WebImages/43/how-do-you-factor-x3-3x2-4solutionx3-3x2-4-factorise-x3-2x-1132418-1761605265-0.webp "How do you factor x3 + 3x2 - 4Solutionx^3 +3x^2 -4 Factorise: x^3 +2x^2 +x^2 -4 (x^3 +2x^2) +(x^2 -4) x^2(x +2) +(x +2)(x -2) (x+2)[ x^2 +x -2] (x +2)[x^2 +2x -")
