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x in (-oo:+oo)
x^2+(3/2)*x = 10 // - 10
x^2+(3/2)*x-10 = 0
x^2+3/2*x-10 = 0
DELTA = (3/2)^2-(-10*1*4)
DELTA = 169/4
DELTA > 0
x = ((169/4)^(1/2)-3/2)/(1*2) or x = (-(169/4)^(1/2)-3/2)/(1*2)
x = 5/2 or x = -4
x in { -4, 5/2 }
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