How do you factor 5z+8yx+4yz+10x?

1 Answer
Apr 6, 2016

(5+4y)(z+2x)

Explanation:

Given
XXX5z+8yx+4yz+10x

Recognizing the 1:2 ratio of 5:10 and 4:8
we can regroup the terms as
XXX(5z+10x)+(4yz+8yx)
then extract common factors from each pair of terms:
XXX5(z+2x)+4y(z+2x)

Recognize the common factor: (z+2x)
XXX(5+4y)(z+2x)