242=(4x^2)/2

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Solution for 242=(4x^2)/2 equation: 


x in (-oo:+oo)

242 = (4*x^2)/2 // - (4*x^2)/2

242-((4*x^2)/2) = 0

242-2*x^2 = 0

-2*x^2 = -242 // : -2

x^2 = 121

x^2 = 121 // ^ 1/2

abs(x) = 11

x = 11 or x = -11

x in { 11, -11 }

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