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(1/3)*x^2-((3/4)*x) = 1/2 // - 1/2
(1/3)*x^2-((3/4)*x)-(1/2) = 0
(1/3)*x^2+(-3/4)*x-1/2 = 0
1/3*x^2-3/4*x-1/2 = 0
DELTA = (-3/4)^2-(-1/2*1/3*4)
DELTA = 59/48
DELTA > 0
x = ((59/48)^(1/2)+3/4)/(1/3*2) or x = (3/4-(59/48)^(1/2))/(1/3*2)
x = 3/2*((59/48)^(1/2)+3/4) or x = 3/2*(3/4-(59/48)^(1/2))
x in { 3/2*(3/4-(59/48)^(1/2)), 3/2*((59/48)^(1/2)+3/4) }
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