Question

using identities evaluate:
1. 99^2
2. 88*92

Answer 1

Answer:

above is your answer ,done by me ,hope it helps you, Markaz brainleast .

Answer 2

Answer:

hey bro here is your answer

Step-by-step explanation:

88*92

=(90+2)(90+(-2))

=(x+a)(x+b)=x^2+(a+b)x+ab

=92*88

=(90+2)(90+(-2))

=90^2+2+(-2)*90+2(-2)

=8100+90-4

=8100-86

=8096

and mark as brainlist