Question

evaluate 52*47 using sutaible identity

Answer 1

52×47

(50+2)(50-3)

(x+a)(x+b)=x²+(a+b)x+ab

(50+2)(50-3) = (50)²+(2+(-3))50+2×(-3)

= 2500 + (2-3)50-6

= 2500 +(-1)50 -6

=2500-50 -6 =2444

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Answer 2

Answer:

That answer is correct