If the side length of a square increases by 6cm in grade three, its area will increase by 96cm. Do you know what its original area is?

If the side length of a square increases by 6cm in grade three, its area will increase by 96cm. Do you know what its original area is?

If the original side length is x cm, then (x + 6) ^ 2-x ^ 2 = 96, x = 5 cm, and the original area is 5 * 5 = 25 square cm