Question

Evaluate by identies
88 x 92​

Answer 1

Answer:

(a+b) (a-b)

(90+2) (90-2)

90^2-2^2

8100-4

8096

Answer 2

given:

=> 88×92

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

$(a - b)(a + b) \: = a ^{2} - b ^{2}$

=>

$90 ^{2} - 2 ^{2}$

=> 8100-4

=> 8096

so the required answer is 8096