Question

×−× /96
Solve using identity
Pls answer fast

Answer 1

Answer:

Using (x+a)(x+b) = x 2

+(a+b)x+ab

Writing 103 as 100+3 and 96 as 100−4

⇒ (100+3)(100−4) = 100 2

+[(3)+(−4)]100+(3)(−4)

⇒ 10000+(−1)100−12

⇒ 10000−100−12

⇒ 9888

The solution is 9888

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