Evaluate 85×96 using suitable identity
Answers
Answered by
2
Answer:
8160
Step-by-step explanation:
(90 - 5)(90+6)= 90^2 + 90(6-5) - 5(6)
= 8100+90-30 = 8160
(x+a)(x+b) = x ^2 +(a+b) x + ab
Answered by
0
8160
Step-by-step explanation:
(90×90)+90(6-5)-(6×5)
8100+90-30
8160
Similar questions