How do you factor $2 x^{2} y - 4 x y - 30 y$ $2x^2y-4xy-30y$ ?

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How do you factor $2 x^{2} y - 4 x y - 30 y$ $2x^2y-4xy-30y$ ?

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Answer 1 · 2015-05-12T00:25:11

Factor $2 x^{2} y - 4 x y - 30 y$ $2x^2y-4xy-30y$ .
Factor out the $2 y$ $2y$ .
$2 y (x^{2} - 2 x - 15)$ $2y(x^2-2x-15)$
Find 2 factors of -15 that, when added = -2 (3 and -5)
$2 y (x + 3) (x - 5)$ $2y(x+3)(x-5)$

Explanation:

Factor $2 x^{2} - 4 x y - 30 y$ $2x^2-4xy-30y$ .

Factor out the $2$ $2$ .

$2 (x^{2} - 2 x y - 15 y)$ $2(x^2-2xy-15y)$

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How do you factor $2 x^{2} y - 4 x y - 30 y$ $2x^2y-4xy-30y$ ?

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How do you factor 2x2y−4xy−30y2x^2y-4xy-30y?

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Explanation:

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How do you factor $2 x^{2} y - 4 x y - 30 y$ $2x^2y-4xy-30y$ ?