The difference of two squares - Math Help Forum

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#1

$Old$ August 8th, 2008, 09:40 AM

Alienis Back $Alienis Back is offline$

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$Default$ The difference of two squares

Could you give me a hand with this?

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#2

$Old$ August 8th, 2008, 10:01 AM

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just combine like terms in the [brackets] ...

[(x - 3) - 5] = [x - 3 - 5] = [x - 8]

[(x - 3) + 5] = [x - 3 + 5] = [x + 2]

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$Old$ August 8th, 2008, 01:59 PM

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Why didn't I think of it before!! Well...mmm I thought about it but then doubted

Thank you, very much

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