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x in (-oo:+oo)
2*x^2+22*x+(48/2)*x+16 = 0
2*x^2+46*x+16 = 0
DELTA = 46^2-(2*4*16)
DELTA = 1988
DELTA > 0
x = (1988^(1/2)-46)/(2*2) or x = (-1988^(1/2)-46)/(2*2)
x = (2*497^(1/2)-46)/4 or x = (-2*497^(1/2)-46)/4
x in { (-2*497^(1/2)-46)/4, (2*497^(1/2)-46)/4 }
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