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August 28, 2014

August 28, 2014

Posted by **ALISON** on Monday, March 19, 2012 at 12:03am.

How do I use long division to get (a^2+ab+b^2).

I'm given.....

1). (a^3-b^3)/ (a-b)

I cant get that answer. Help?

- precalc!!!!! -
**Bosnian**, Monday, March 19, 2012 at 12:16am( a - b ) * ( a ^ 2 + a * b + b ^ 2 ) =

a * a ^ 2 + a * a * b + a * b ^ 2 - b * a ^ 2 - b * a * b - b * b ^ 2 =

a ^ 3 + a ^ 2 * b + a * b ^ 2 - a ^ 2 * b - a * b ^ 2 - b ^ 3 =

a ^ 3 - b ^ 3

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