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can 5x^2+28x-12=0 be factored?
 Oct 18, 2013
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Absolutely. 5x^2+28x-12=0, D = 14^2 + 60 = 256, x = (-14 +-16)/5 => x1 = 2/5, x2 = -6. Factorizing gives us (x - 2/5)*(x + 6) = 0
 Oct 19, 2013

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