The length of a rectangle is 2 inches longer than the width. The area of the rectangle is 56 in^2. Find the dimensions.

Also: The length of a rectangle is 3 ft more than the width. The area of the rectangle is 28 ft^2. Find the dimensions.

1 answer

w(w+2) = 56
w^2+2w-56 = 0
w = √57 - 1