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

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Answer 1 · 2017-06-29T16:37:05

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

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

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

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

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

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

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

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

Hope u understood! :) ShantanuDash

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