Question

if one side of the square is decreased by 2 m and the other is increased by 1 m a rectangle will be formed whose area is 9 sq. m less than area of square find the side of the square

Answer 1

Let the sides be x
one side=x-2
other side=x+1
area=l×b

Answer 2

area of rec. =49, length=7 breath=7