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(4/5)*x^2+71*x+46 = 0
4/5*x^2+71*x+46 = 0
DELTA = 71^2-(4/5*4*46)
DELTA = 24469/5
DELTA > 0
x = ((24469/5)^(1/2)-71)/(4/5*2) or x = (-(24469/5)^(1/2)-71)/(4/5*2)
x = 5/8*((24469/5)^(1/2)-71) or x = -5/8*((24469/5)^(1/2)+71)
x in { -5/8*((24469/5)^(1/2)+71), 5/8*((24469/5)^(1/2)-71) }
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