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

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Answer 1 · 2018-03-13T12:31:52

$y = x^2 - 5x - 14$

Multiply out each term in the brackets with each term in the other set of brackets:
$y = x^2 - 7x + 2x - 14$

Collect like terms and simplify:
$y = x^2 - 5x - 14$

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