Question

You can only save me ​

Answer 1

95 x 103

= (100-5) x (100+3)

(x-a)(x+b)= x2+ x(-a+b) + ab

= 10000 - 100(2) -15

= 9785

501 * 502

= (500+1)(500+2)

250000 + 500(3) + 2

=251502