Question

Find the product using identities 103 X 95
Identity is (X+a)(X+b)

Answer 1

Answer:

9785

Explaination:

103×95

(100+3)(100-5)

using identity (x+a)(x+b)= x²+ (a+b)x + ab

(100+3){100+(-5)}:

(100)²+{3+(-5)100+3×(-5)

10000+ 300 - 500 - 15

9785