SOLUTION: If we add 2m to a side of a square its surface will increase with 24 s.m. Find the side of the square.

SOLUTION: If we add 2m to a side of a square its surface will increase with 24 s.m. Find the side of the square.

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Question 1057744: If we add 2m to a side of a square its surface will increase with 24 s.m. Find the side of the square.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Original square:
Expanded square:
From the top equation, we can substitute for A in the bottom one:

(subtracted from both sides

Ans:
Check:

and which is 24 more than 25
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