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(1/2)*(6*x-4)-((2/3)*x*(12*x+12)) = 5 // - 5
(1/2)*(6*x-4)-((2/3)*x*(12*x+12))-5 = 0
(1/2)*(6*x-4)+(-2/3)*x*(12*x+12)-5 = 0
1/2*(6*x-4)-2/3*x*(12*x+12)-5 = 0
1/2*(6*x-4)-2/3*x*(12*x+12)-5 = 0
-8*x^2-5*x-5-2 = 0
-8*x^2-5*x-7 = 0
-8*x^2-5*x-7 = 0
-1*(8*x^2+5*x+7) = 0
8*x^2+5*x+7 = 0
DELTA = 5^2-(4*7*8)
DELTA = -199
DELTA < 0
-1 = 0
-1 = 0
x belongs to the empty set
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