What is the standard form of y= (-2x-9)(x+5)(-x+12)?

1 Answer
May 31, 2018

color(blue)(y = 2x^3 -5x^2 - 63x - 540

Explanation:

y = -(2x +9) (x+5) (-x+12)

y = -(2x^2 + 9x + 10x + 45) (-x+12)

y = -(-2x^3 - 19x^2 -45x + 24x^2 + 108x + 540)

color(blue)(y = 2x^3 -5x^2 - 63x - 540