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9.75 x 9.75 - 2 x 9.75 x 5.75 + 5.75 x 5.75 =?

Correct Answer: 16

Explanation:

Given expression = a2 -2ab + b2 Where a =9.75 and b=5.75
= (a-b)2
= (9.75 - 5.75)2
= 42
=16


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