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x in (-oo:+oo)
-a = (5/2)*q-((1/4)*(4-6*q)) // - (5/2)*q-((1/4)*(4-6*q))
(1/4)*(4-6*q)-a-((5/2)*q) = 0
(1/4)*(4-6*q)-a+(-5/2)*q = 0
1/4*(4-6*q)-a+(-5*q)/2 = 0
(1/4*2*(4-6*q))/2+(2*(-a))/2+(-5*q)/2 = 0
1/4*2*(4-6*q)+2*(-a)-5*q = 0
2-2*a-3*q-5*q = 0
2-2*a-8*q = 0
(2-2*a-8*q)/2 = 0
(2-2*a-8*q)/2 = 0 // * 2
2-2*a-8*q = 0
x belongs to the empty set
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