need help!! x-2 x3-8
Last edited by mzdnique; Dec 5th 2007 at 07:10 PM.
Follow Math Help Forum on Facebook and Google+
Here are some formulae that might be useful: $\displaystyle a^3+b^3 = (a+b)(a^2-ab+b^2)$ $\displaystyle a^3-b^3 = (a-b)(a^2+ab+b^2)$
View Tag Cloud