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How can be factorize (3X^2+3X-20) ?

cary_alfaro

by cary_alfaro at August 25, 2011

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= 3(X^2+X-20) // Put the 3's out of the expression = 3(X+5) (X-4) // Factor inside// 5*-4=-20 // Add 5+-4 = 1 = 3=0, x+5=0, x-4=0 // Set equal to zero = // Now you Simplify

mathnow001 mathnow001 August 25, 2011

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