Question

Evaluate the following 53×55​

Answer 1

Answer:

2915

Step-by-step explanation:

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Answer 2

Answer:

53×55= (50+3)(50+5)

by identity (x+a)(x+b) = xsq + ( a+b) x+ a-b

50sq+ ( 3+5) 50+3×5

2500+400+15

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