Question

Using the identity (a+b)(a-b) evaluate: (1)88×112 (2)153×167 (3)10.8×9.2 (4) 36/4 × 60/4.​

Answer 1

Answer:

Step-by-step explanation:1) 88×112

By using (a+b) (a-b) identity

= (88-112) (88+112)

=(a-b) (a+b) = a^2 - b^2

=(88)^2 - (112)^2

=7744 - 124544

= 123200

Answer 2

Hope it helps you...