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x in (-oo:+oo)
1.1111 = (x^2-70)/11.3 // - (x^2-70)/11.3
1.1111-((x^2-70)/11.3) = 0
1.1111-0.08849558*(x^2-70) = 0
1.1111-0.08849558*(x^2-70) = 0
7.3057906-0.08849558*x^2 = 0
7.3057906-0.08849558*x^2 = 0
-0.08849558*x^2 = -7.3057906 // : -0.08849558
x^2 = 82.55542932
x^2 = 82.55542932 // ^ 1/2
abs(x) = 82.55542932^(1/2)
x = 82.55542932^(1/2) or x = -82.55542932^(1/2)
x in { 82.55542932^(1/2), -82.55542932^(1/2) }
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