SOLUTION: How do I factor this polynomial? 8r^2-40rs+50s^2

SOLUTION: How do I factor this polynomial? 8r^2-40rs+50s^2

Algebra.Com

Question 613809: How do I factor this polynomial?
8r^2-40rs+50s^2
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
common factors 1st ___ 2(4r^2 - 20rs + 25s^2)

the -20 for the middle coefficient and the factors of 25 being 5,5 are big clues

2(2r - 5s)^2
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