Question

using the identity (a+b)(a-b)=a^2-b^2,evaluate 124*116
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Answer 1

124×116

= (120+4)(120-4)

= 120² - 4²

= 14400 - 16

= 14384

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Answer 2

Answer:

(124*116)

=(120+4)*(120-4)

=120^2-4^2

=14400-16

=14384