(a+b)^2 - 100 -> (a+b)(a+b)-100 -> a^2+2ab+b-100 -> a(a+2b)(b^2-100) -> a(a+2b)(b -10)(b+10) The answer in the book (a+b-10)(a+b+10) And I have not a clue on how they got this ? any help would be appreciated
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The difference of 2 squares says Originally Posted by onymousillusion (a+b)^2 - 100
Last edited by pickslides; Mar 24th 2010 at 09:18 PM. Reason: bad latex
Thank you... I see it now...
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