What is the standard form of $y= (x^2-6)(x+7)$ ?

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Answer 1 · 2017-04-13T10:24:43

$y=x^3+7x^2-6x-42$

You can easily get the result by multiplying terms:

$y=x^3+7x^2-6x-6*7$

The result is:
$y=x^3+7x^2-6x-42$

What is the standard form of y= (x^2-6)(x+7) y= (x^2-6)(x+7) ?