How do you factor $3 a b - 15 a c + 4 b d - 20 c d$ $3ab-15ac+4bd-20cd$ ?

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How do you factor $3 a b - 15 a c + 4 b d - 20 c d$ $3ab-15ac+4bd-20cd$ ?

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Answer 1 · 2018-04-14T05:30:33

$(3 a + 4 d) (b - 5 c)$ $(3a+4d)(b-5c)$

Explanation:

$3 a b - 15 a c + 4 b d - 20 c d = 3 a (b - 5 c) + 4 d (b - 5 c)$ $\color(red)(3ab-15ac)+4bd-20cd = color(red)(3a(b-5c)) + 4d(b-5c)$
$qquad = (color(red)(3a)+4d)(b-5c)$

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How do you factor $3 a b - 15 a c + 4 b d - 20 c d$ $3ab-15ac+4bd-20cd$ ?

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How do you factor 3ab-15ac+4bd-20cd3ab−15ac+4bd−20cd3ab-15ac+4bd-20cd?

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How do you factor $3 a b - 15 a c + 4 b d - 20 c d$ $3ab-15ac+4bd-20cd$ ?