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x in (-oo:+oo)
44 = (1/2)*x^8 // - (1/2)*x^8
44-((1/2)*x^8) = 0
(-1/2)*x^8+44 = 0
-1/2*x^8 = -44 // : -1/2
x^8 = 88
x^8 = 88 // ^ 1/8
abs(x) = 88^(1/8)
x = 88^(1/8) or x = -88^(1/8)
x in { 88^(1/8), -88^(1/8) }
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