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The sum of the root of 3x^2+11x-4=0 Download jpg

Blair Lewis

in Mathematics

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Jeffrey Rodriguez on March 14, 2018

Their -4/3 11^2 - 4*3*(-4) = 121 + 48 = 169 2 x^2 - x - 21 = 0 b^2 - 4ac = (-1)^2 + 4* 2 * (-21) = 1 + 168 = 169 x = (- (-1) +/- 13) / (2*2) = ( 1 +/- 13)/4 x1 =7/2 ; x2 = -3


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