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D( x )
2*x^2+3*x-6 = 0
2*x^2+3*x-6 = 0
2*x^2+3*x-6 = 0
2*x^2+3*x-6 = 0
DELTA = 3^2-(-6*2*4)
DELTA = 57
DELTA > 0
x = (57^(1/2)-3)/(2*2) or x = (-57^(1/2)-3)/(2*2)
x = (57^(1/2)-3)/4 or x = (-(57^(1/2)+3))/4
x in (-oo:(-(57^(1/2)+3))/4) U ((-(57^(1/2)+3))/4:(57^(1/2)-3)/4) U ((57^(1/2)-3)/4:+oo)
5/(2*x^2+3*x-6) = 0
2*x^2+3*x-6 = 0
2*x^2+3*x-6 = 0
DELTA = 3^2-(-6*2*4)
DELTA = 57
DELTA > 0
x = (57^(1/2)-3)/(2*2) or x = (-57^(1/2)-3)/(2*2)
x = (57^(1/2)-3)/4 or x = (-(57^(1/2)+3))/4
(x+(57^(1/2)+3)/4)*(x-((57^(1/2)-3)/4)) = 0
5/((x+(57^(1/2)+3)/4)*(x-((57^(1/2)-3)/4))) = 0
x belongs to the empty set
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