How do you factor $15x +45x^2$ ?

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Answer 1 · 2016-09-06T07:25:10

$15x +45x^2 = 15x(1+3x)$

Always look for a common factor first.
$15x$ is in both terms, divide it out.

$15x +45x^2 = 15x(1+3x)$

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