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x in (-oo:+oo)
x*((3*(1-2*x))/8)+x+7 = x*((8*x^2)/8)+7 // - x*((8*x^2)/8)+7
x*((3*(1-2*x))/8)-(x*((8*x^2)/8))+x-7+7 = 0
x*((3*(1-2*x))/8)-x^3+x-7+7 = 0
(3*x*(1-2*x))/8-x^3+x-7+7 = 0
(3*x*(1-2*x))/8+(8*(-x^3))/8+(8*x)/8+(-7*8)/8+(7*8)/8 = 0
3*x*(1-2*x)+8*(-x^3)+8*x-7*8+7*8 = 0
3*x-8*x^3-6*x^2+8*x-56+56 = 0
11*x-8*x^3-6*x^2-56+56 = 0
11*x-8*x^3-6*x^2 = 0
11*x-8*x^3-6*x^2 = 0
x*(11-8*x^2-6*x) = 0
11-8*x^2-6*x = 0
DELTA = (-6)^2-(-8*4*11)
DELTA = 388
DELTA > 0
x = (388^(1/2)+6)/(-8*2) or x = (6-388^(1/2))/(-8*2)
x = (2*97^(1/2)+6)/(-16) or x = (6-2*97^(1/2))/(-16)
x*(x-((2*97^(1/2)+6)/(-16)))*(x-((6-2*97^(1/2))/(-16))) = 0
(x*(x-((2*97^(1/2)+6)/(-16)))*(x-((6-2*97^(1/2))/(-16))))/8 = 0
(x*(x-((2*97^(1/2)+6)/(-16)))*(x-((6-2*97^(1/2))/(-16))))/8 = 0 // * 8
x*(x-((2*97^(1/2)+6)/(-16)))*(x-((6-2*97^(1/2))/(-16))) = 0
( x-((2*97^(1/2)+6)/(-16)) )
x-((2*97^(1/2)+6)/(-16)) = 0 // + (2*97^(1/2)+6)/(-16)
x = (2*97^(1/2)+6)/(-16)
( x-((6-2*97^(1/2))/(-16)) )
x-((6-2*97^(1/2))/(-16)) = 0 // + (6-2*97^(1/2))/(-16)
x = (6-2*97^(1/2))/(-16)
( x )
x = 0
x in { (2*97^(1/2)+6)/(-16), (6-2*97^(1/2))/(-16), 0 }
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