The dimensions of a square are altered so that 8 inches is added to one side while 3 inches is subtracted from the other. the area of the resulting recatangle is 126 in2. what was the original side length of the square

The original side of square is .

Given: the dimensions of a square are altered so that inches is added to one side while inches is subtracted from the other. The area of the resulting recatangle is .

As per question,

Let the side of square be .

According to the question,

Length of new rectangle be .

Breadth of new rectangle be

Area of rectangle

So, and neglecting as distance can't be negative.

Hence, original side of square is .

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