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How do you factor the expression $w³ -7w² -18w$ ?

1 Answer

Mar 10, 2016

$=w(w-9)(w+2)$

Explanation:

$w^3-7w^2-18w$
$=w(w^2-7w-18)$
$=w(w^2-9w+2w-18)$
$=w(w-9)(w+2)$

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