SOLUTION: When the length of each side of a square is increased by 6 cm, its area is increased by 1,320 cm2. Find the length of a side of the square before the increase.

Question 1016190: When the length of each side of a square is increased by 6 cm, its area is increased by 1,320 cm2.
Find the length of a side of the square before the increase.
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
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When the length of each side of a square is increased by 6 cm, its area is increased by 1,320 cm2.
Find the length of a side of the square before the increase.
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Your equation is 

 -  = .

Open the parentheses, collect the common terms, simplify and solve.

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