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x in (-oo:+oo)
x*((4*x+3)/4)+(4/2)*x = 10 // - 10
x*((4*x+3)/4)+(4/2)*x-10 = 0
(x*(4*x+3))/4+2*x-10 = 0
(x*(4*x+3))/4+(2*4*x)/4+(-10*4)/4 = 0
x*(4*x+3)+2*4*x-10*4 = 0
4*x^2+11*x-40 = 0
4*x^2+11*x-40 = 0
4*x^2+11*x-40 = 0
DELTA = 11^2-(-40*4*4)
DELTA = 761
DELTA > 0
x = (761^(1/2)-11)/(2*4) or x = (-761^(1/2)-11)/(2*4)
x = (761^(1/2)-11)/8 or x = (-(761^(1/2)+11))/8
(x+(761^(1/2)+11)/8)*(x-((761^(1/2)-11)/8)) = 0
((x+(761^(1/2)+11)/8)*(x-((761^(1/2)-11)/8)))/4 = 0
((x+(761^(1/2)+11)/8)*(x-((761^(1/2)-11)/8)))/4 = 0 // * 4
(x+(761^(1/2)+11)/8)*(x-((761^(1/2)-11)/8)) = 0
( x+(761^(1/2)+11)/8 )
x+(761^(1/2)+11)/8 = 0 // - (761^(1/2)+11)/8
x = -((761^(1/2)+11)/8)
( x-((761^(1/2)-11)/8) )
x-((761^(1/2)-11)/8) = 0 // + (761^(1/2)-11)/8
x = (761^(1/2)-11)/8
x in { -((761^(1/2)+11)/8), (761^(1/2)-11)/8 }
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