How do you factor 3bc−2b−10+15c?

1 Answer
George C.
Jan 20, 2017

3bc−2b−10+15c=(b+5)(3c−2)

Explanation:

This quadrinomial factors by grouping (at least once we swap a couple of the terms around)...

3bc−2b−10+15c=3bc−2b+15c−10

3bc−2b−10+15c=(3bc−2b)+(15c−10)

3bc−2b−10+15c=b(3c−2)+5(3c−2)

3bc−2b−10+15c=(b+5)(3c−2)

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