How to factor polynomials: Difference between revisions

Revision as of 02:35, 8 October 2009

Revision as of 02:35, 8 October 2009

Line 91:

<math>a^2+2ab+c^2=(a+c)^2</math> and<br />

<math>a^2-2ab+c^2=(a-c)^2</math><br /><br />

'''For example:'''<br />

<math>4h^2-20h+25=(2h)^2-2(2h)(5)+(5)^2=(2h-5)^2</math><br />

<br />or<br /><br />