Feb 8th, 2015 at 10:15 PM

Factoring Formulas

`a^2 - b^2` = (a+b)(a-b) a2 + 2ab + b2 = (a+b)(a+b) a2 - 2ab + b2 = (a-b)(a-b) a3 + b3 = (a+b)(a2-ab+b2) a3 - b3 = (a-b)(a2+ab+b2) a3+3a2b+3ab2+b3 = (a+b)3 a3-3a2b+3ab2-b3 = (a-b)3