How do you write $y=(x+7)(2x+3)$ in standard form?

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Answer 1 · 2018-05-29T02:42:57

FOIL it.

You multiply $x$ with $2x$ , $x$ with $3x$ , $7$ with $2x$ , and $7$ with $3$ . You will get

$2x^2 +3x+14x+21$

You will have to simplify it into

$2x^2+17x+21$

How do you write y=(x+7)(2x+3)y=(x+7)(2x+3) in standard form?