How do you write $7 x^{2} + 55 x + 42$ $7x^2+55x+42$ in factored form?

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How do you write $7 x^{2} + 55 x + 42$ $7x^2+55x+42$ in factored form?

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Answer 1 · 2015-09-18T04:56:18

$= (x + 7) (7 x + 6)$ $=(x+7)(7x+6)$

Explanation:

$7 x^{2} + 55 x + 42$ $7x^2+55x+42$
$= 7 x^{2} + 6 x + 49 x + 42$ $=7x^2+6x+49x+42$
$= x (7 x + 6) + 7 (7 x + 6)$ $=x(7x+6)+7(7x+6)$
$= (x + 7) (7 x + 6)$ $=(x+7)(7x+6)$

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How do you write $7 x^{2} + 55 x + 42$ $7x^2+55x+42$ in factored form?

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