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x in (-oo:+oo)
(5/6)*x-((1/5)*x^44) = (7/10)*x // - (7/10)*x
(5/6)*x-((1/5)*x^44)-((7/10)*x) = 0
(-1/5)*x^44+(5/6)*x+(-7/10)*x = 0
2/15*x-1/5*x^44 = 0
1/5*x*(2/3-x^43) = 0
-1*x^43 = -2/3 // : -1
x^43 = 2/3
x^43 = 2/3 // ^ 1/43
x = (2/3)^(1/43)
x/5 = 0
1/5*x = 0 // : 1/5
x = 0
x in { (2/3)^(1/43), 0 }
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