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D( x )
3*x+5 = 0
4*x-1 = 0
3*x+5 = 0
3*x+5 = 0
3*x+5 = 0 // - 5
3*x = -5 // : 3
x = -5/3
4*x-1 = 0
4*x-1 = 0
4*x-1 = 0 // + 1
4*x = 1 // : 4
x = 1/4
x in (-oo:-5/3) U (-5/3:1/4) U (1/4:+oo)
1/(3*x+5)+1/(4*x-1) = 2 // - 2
1/(3*x+5)+1/(4*x-1)-2 = 0
(1*(4*x-1))/((3*x+5)*(4*x-1))+(1*(3*x+5))/((3*x+5)*(4*x-1))+(-2*(3*x+5)*(4*x-1))/((3*x+5)*(4*x-1)) = 0
1*(4*x-1)+1*(3*x+5)-2*(3*x+5)*(4*x-1) = 0
7*x-24*x^2-34*x+4+10 = 0
14-24*x^2-27*x = 0
14-24*x^2-27*x = 0
14-24*x^2-27*x = 0
DELTA = (-27)^2-(-24*4*14)
DELTA = 2073
DELTA > 0
x = (2073^(1/2)+27)/(-24*2) or x = (27-2073^(1/2))/(-24*2)
x = (2073^(1/2)+27)/(-48) or x = (27-2073^(1/2))/(-48)
(x-((2073^(1/2)+27)/(-48)))*(x-((27-2073^(1/2))/(-48))) = 0
((x-((2073^(1/2)+27)/(-48)))*(x-((27-2073^(1/2))/(-48))))/((3*x+5)*(4*x-1)) = 0
((x-((2073^(1/2)+27)/(-48)))*(x-((27-2073^(1/2))/(-48))))/((3*x+5)*(4*x-1)) = 0 // * (3*x+5)*(4*x-1)
(x-((2073^(1/2)+27)/(-48)))*(x-((27-2073^(1/2))/(-48))) = 0
( x-((2073^(1/2)+27)/(-48)) )
x-((2073^(1/2)+27)/(-48)) = 0 // + (2073^(1/2)+27)/(-48)
x = (2073^(1/2)+27)/(-48)
( x-((27-2073^(1/2))/(-48)) )
x-((27-2073^(1/2))/(-48)) = 0 // + (27-2073^(1/2))/(-48)
x = (27-2073^(1/2))/(-48)
x in { (2073^(1/2)+27)/(-48), (27-2073^(1/2))/(-48) }
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