7/9/2013 Quadratic Equations 34  Factor x 2 – 5x – 24 x 2 + ( a + b )x + ab = (x + a )(x + b ) Trinomials with two negative terms Not-So-Special Trinomials Terms a, b of opposite sign Sign of the larger term  Find a and b such that Possible factors of –24 : 1, –24 2, –12 3, –8 4, –6 Since 3 – 8 = –5, then a = 3 and b = –8
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