2x^2-15x-28/6x-21

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Solution for 2x^2-15x-28/6x-21 equation: 


x in (-oo:+oo)

2*x^2-(15*x)-((28/6)*x)-21 = 0

2*x^2-15*x+(-14/3)*x-21 = 0

2*x^2-59/3*x-21 = 0

DELTA = (-59/3)^2-(-21*2*4)

DELTA = 4993/9

DELTA > 0

x = ((4993/9)^(1/2)+59/3)/(2*2) or x = (59/3-(4993/9)^(1/2))/(2*2)

x = ((4993/9)^(1/2)+59/3)/4 or x = (59/3-(4993/9)^(1/2))/4

x in { (59/3-(4993/9)^(1/2))/4, ((4993/9)^(1/2)+59/3)/4 }

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