Question

EVALUATE USING IDENTITIES
64*58​

Answer 1

64*58
(60+4)*(60-2)
(60+4)*(60+[-2])
Using identity (x+a)*(x+b) = x^2 + (a+b)x + ab
60^2 + (4-2)60 + (4 * [-2])
3600 + 120 + (-8)
=3712

Hope it helps :)