How do you factor by grouping $12ac – 60c + 10a - 50$ ?

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Answer 1 · 2015-06-06T16:15:54

$12ac-60c+10a-50$

$=(12ac-60c)+(10a-50)$

$=12c(a-5) + 10(a-5)$

$=(12c+10)(a-5)$

How do you factor by grouping 12ac – 60c + 10a - 5012ac – 60c + 10a - 50?