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(8*x^2)/3-((7*x^1)/2)-1 = 0
(8*x^2)/3+(-7/2)*x-1 = 0
8/3*x^2-7/2*x-1 = 0
DELTA = (-7/2)^2-(-1*8/3*4)
DELTA = 275/12
DELTA > 0
x = ((275/12)^(1/2)+7/2)/(2*8/3) or x = (7/2-(275/12)^(1/2))/(2*8/3)
x = 3/16*((275/12)^(1/2)+7/2) or x = 3/16*(7/2-(275/12)^(1/2))
x in { 3/16*(7/2-(275/12)^(1/2)), 3/16*((275/12)^(1/2)+7/2) }
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