SOLUTION: If each side of a square is decreased by 5 centimeters, its area will decrease by 175 square centimeters. Find the side of the original square in centimeters?

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Question 948462: If each side of a square is decreased by 5 centimeters, its area will decrease by 175 square centimeters. Find the side of the original square in centimeters?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, side of original square.

%28x-5%29%5E2=x%5E2-175

x%5E2-10x%2B25=x%5E2-175

-10x%2B25=-175

10x-25=175

10x=200

highlight%28x=20%29