What is the standard form of y= (2x-2)(x+7)(3x-14)?

1 Answer
Jun 29, 2017

y=6x^3+8x^2-210x-196

Explanation:

y=(2x-2)(x+7)(3x-14)

y={2x(x+7)-2(x+7)}(3x-14)

y=(2x^2+14x-2x-14)(3x-14)

y=(2x^2+12x-14)(3x-14)

y=3x(2x^2+12x-14)-14(2x^2+12x-14)

y=6x^3+36x^2-42x-28x^2-168x-196

y=6x^3+8x^2-210x-196

Hope u understood! :) ShantanuDash