Question

(45^2-44^2)+(43^2-42^2)+41^2 =

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Answer 1

Answer:

Step-by-step explanation:

You can use a^2-b^2 = (a+b)(a-b)

(45+44)(45-44) + (43+42)(43-42) + 41^2

89 + 85 + 1681

1855 is the answer.