Question

92×88 solved with identity

Answer 1

92*88=88*92

reverse multiplication order identity

Answer 2

we know the algebraic identity

(x+a) (x+b)=x square +(a+b)x+ab

...................

92×88

=(90+2) {90+(-2)}

=(90)square +{2+(-2)}×90+2(-2)

=8100+90-4

=8100-86

=8096