You can solve a quadratic equation for the dimensions.

(x+4)*x = 96

It is often quicker to look at the factors of the area number to see if any meet the requirements.

96 = 1*96 = 2*48 = 3*32 = 4*24 = 6*16 = 8*12

The factors 8 and 12 differ by 4, so we conclude the garden is 12 yd by 8 yd.

(x+4)*x = 96

It is often quicker to look at the factors of the area number to see if any meet the requirements.

96 = 1*96 = 2*48 = 3*32 = 4*24 = 6*16 = 8*12

The factors 8 and 12 differ by 4, so we conclude the garden is 12 yd by 8 yd.