24x^2-46x=18 solve equation by factoring.
First divide through by 2 and then rewrite as 12x2 - 23x - 9 = 0
Look for factors of 9 and 12 that when suitably combined and summed make -23.
(3x + 1)(4x - 9) = 12x2 - 27x + 4x - 9 = 12x2 - 23x - 9
so x = -1/3 or x = 9/4
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