Question

Evalute: 103*104 without multiplying directly​

Answer 1

Answer:

(100+3) (100+4)

by using identify

(x+a) (x+b)= x²+ (a+b) x + ab

Here a= 3, b= 4, x=100

(100+3) (100+4)= 100²+(3+4) (100)+ 3×4

=10000+7(100)+12

=10000+700+12

= 10712

Step-by-step explanation:

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