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X in (-oo:+oo)
1.2164*X^2-((180*X^2)/7) = -180 // + 180
1.2164*X^2-((180*X^2)/7)+180 = 0
1.2164*X^2+(-180/7)*X^2+180 = 0
-24.49788571*X^2 = -180 // : -24.49788571
X^2 = 7.34757285
X^2 = 7.34757285 // ^ 1/2
abs(X) = 7.34757285^(1/2)
X = 7.34757285^(1/2) or X = -7.34757285^(1/2)
X in { 7.34757285^(1/2), -7.34757285^(1/2) }
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