SOLUTION: The length of each side of a square is extended by 3 inches. The area of the resulting square is 121 inches squared. find the length of a side of the original square

Question 1113767: The length of each side of a square is extended by 3 inches. The area of the resulting square is 121 inches squared. find the length of a side of the original square

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
x, original side

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, use quadratic formula solution if this is not factorable.
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Answer by ikleyn(52786)   (Show Source): You can put this solution on YOUR website!
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The extended square side length is = 11 inches. Hence, the original square side length is 11-3 = 8 inches.

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Be aware:   the equation/equations of @josgarithmetic and his approach are   W R O N G.

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