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(4*x^2+2*x+8)/2 = 0
4*x^2+2*x+8 = 0
2*(2*x^2+x+4) = 0
2*x^2+x+4 = 0
DELTA = 1^2-(2*4*4)
DELTA = -31
DELTA < 0
2 = 0
1 = 0
x belongs to the empty set
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