The length of each side of the square is increased by 1 cm, and the area is increased by 17 cm. What is the original area

Let the original side length of the square be a, and after the increase, the side length is a + 1
There are (a + 1) ^ 2-A ^ 2 = 17
Calculated a = 8 s = 8 ^ 2 = 64 square centimeter
The original area is 64 square centimeters

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