SOLUTION: derivation of (a-b)^2

SOLUTION: derivation of (a-b)^2

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Question 168048: derivation of (a-b)^2
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
derivation of (a-b)^2
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(a-b)(a-b)
= a(a-b) -b(a-b)
= a^2 -ab -ba + b^2
= a^2 -ab - ab + b^2
= a^2 -2ab + b^2
====================
Cheers,
Stan H.
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