SOLUTION: Im sorry if the category is wrong a^2-[(a-b)^2+ (a-b)(a+b)] = thank you!

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Question 237617: Im sorry if the category is wrong
a^2-[(a-b)^2+ (a-b)(a+b)] =
thank you!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a^2-[(a-b)^2+ (a-b)(a+b)]
-------
= a^2 - [ (a^2-2ab+b^2) + (a^2-b^2)]
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= a^2 - [2a^2 -2ab]
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= 2ab - a^2
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Cheers,
Stan H.