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x in (-oo:+oo)
((1/2)*x-(1/4))*(2*x-3) = 35/4 // - 35/4
((1/2)*x-(1/4))*(2*x-3)-(35/4) = 0
((1/2)*x-1/4)*(2*x-3)-35/4 = 0
(1/2*x-1/4)*(2*x-3)-35/4 = 0
(4*(1/2*x-1/4)*(2*x-3))/4-35/4 = 0
4*(1/2*x-1/4)*(2*x-3)-35 = 0
4*x^2-8*x-32 = 0
4*x^2-8*x-32 = 0
4*(x^2-2*x-8) = 0
x^2-2*x-8 = 0
DELTA = (-2)^2-(-8*1*4)
DELTA = 36
DELTA > 0
x = (36^(1/2)+2)/(1*2) or x = (2-36^(1/2))/(1*2)
x = 4 or x = -2
4*(x+2)*(x-4) = 0
(4*(x+2)*(x-4))/4 = 0
(4*(x+2)*(x-4))/4 = 0 // * 4
4*(x+2)*(x-4) = 0
( x+2 )
x+2 = 0 // - 2
x = -2
( x-4 )
x-4 = 0 // + 4
x = 4
x in { -2, 4 }
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