SOLUTION: Find the greatest common factor and factor it out of the equation. -4x^3-20x^2+16x

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the greatest common factor and factor it out of the equation. -4x^3-20x^2+16x      Log On


   

Question 888282: Find the greatest common factor and factor it out of the equation.
-4x^3-20x^2+16x
Answer by luke94(89) About Me  (Show Source):
You can put this solution on YOUR website!
greatest common factor is 4x or -4x
factorised with 4x = 4x(-x^2 - 5x + 4)
factorised with -4x = -4x(x^2 + 5x - 4)
either one is fine as once you expand you get the same equation for both