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6*(x^2+7*x+12)+5*x+(4/2)*x = 0
6*(x^2+7*x+12)+5*x+2*x = 0
6*(x^2+7*x+12)+5*x+2*x = 0
6*x^2+47*x+2*x+72 = 0
6*x^2+49*x+72 = 0
6*x^2+49*x+72 = 0
6*x^2+49*x+72 = 0
DELTA = 49^2-(4*6*72)
DELTA = 673
DELTA > 0
x = (673^(1/2)-49)/(2*6) or x = (-673^(1/2)-49)/(2*6)
x = (673^(1/2)-49)/12 or x = (-(673^(1/2)+49))/12
(x+(673^(1/2)+49)/12)*(x-((673^(1/2)-49)/12)) = 0
(x+(673^(1/2)+49)/12)*(x-((673^(1/2)-49)/12)) = 0
( x+(673^(1/2)+49)/12 )
x+(673^(1/2)+49)/12 = 0 // - (673^(1/2)+49)/12
x = -((673^(1/2)+49)/12)
( x-((673^(1/2)-49)/12) )
x-((673^(1/2)-49)/12) = 0 // + (673^(1/2)-49)/12
x = (673^(1/2)-49)/12
x in { -((673^(1/2)+49)/12), (673^(1/2)-49)/12 }
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