Question

If the side od a square are langthened by 7 cm, the area becomes 144cm^2. find the langth of a side of the origonal square.

Answer 1

let x be the original length
(x+7)^2 = 144
(x+7) = 12 or (x+7) = -12 (rejected)
x=5 cm
therefore, the length of the original square is 5 cm

Answer 2

thank you that the answer i cam up with to

Answer 3

welcome :)