How to factor polynomials: Difference between revisions

Revision as of 01:52, 8 October 2009

Revision as of 01:57, 8 October 2009

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<math>a(a-3b)+4c(a-3b)</math><br /><br />

'''Step 3''' &nbsp;&nbsp;If the 'leftovers match' factor them out.<br />

<math>a\underlinemathbf{(a-3b)}+4c\mathbf{(a-3b)}=(a-3b)(a+4c)</math><br /><br />

Therefore <math>a^2-3ab+4ac-12bc=(a-3b)(a+4c)</math><br /><br /><br />