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x^2-(4*x^2)+9*x+(20/2)*x+12*x+(4/4)*x-16-8 = 0
x^2-4*x^2+9*x+(20/2)*x+12*x+(4/4)*x-16-8 = 0
32*x-3*x^2-24 = 0
DELTA = 32^2-(-24*(-3)*4)
DELTA = 736
DELTA > 0
x = (736^(1/2)-32)/(-3*2) or x = (-736^(1/2)-32)/(-3*2)
x = (4*46^(1/2)-32)/(-6) or x = (-4*46^(1/2)-32)/(-6)
x in { (4*46^(1/2)-32)/(-6), (-4*46^(1/2)-32)/(-6) }
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