(a+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 08:18 PM.
Reason: bad latex
Thank you... I see it now...
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