2x2 – 5x – 12 = 0
(2x + )(x – ) = 0
Factors: 2, 1 1,12;2,6;3,4
(2x + 3)(x – 4) = 0
(2x + 3) = 0 and (x – 4) = 0
x = – 3 over 2 3 2 and x = 4
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