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How do you factor $p^2-q^2-4q-4$ ?

1 Answer

Dec 6, 2017

$= (p - q - 2)(p + q + 2)$

Explanation:

$= p² - (q² + 4q + 4)$
$= p² - (q + 2)²$
$= (p - q - 2)(p + q + 2)$

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