Question

For x = 5 and y = 2 , Verify :-
x²- y² = ( x + y ) ( x - y )​

Answer 1

x=5,x=2

Now,x²-y²=(x+y)(x-y)

=x²-y²=(5+2)(5-2)

=x²-y²=(7)(3)

=x²-y²=21