SOLUTION: Factor. 125q^3 + 64r^3

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Question 549307: Factor. 125q^3 + 64r^3
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
125q^3 + 64r^3
(5q)^3+(4r)^3
(5q+4r)(25q^2-20qr+16r^2)