(2x*x)/2=169

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Solution for (2x*x)/2=169 equation: 


x in (-oo:+oo)

(2*x*x)/2 = 169 // - 169

(2*x*x)/2-169 = 0

1*x^2 = 169 // : 1

x^2 = 169

x^2 = 169 // ^ 1/2

abs(x) = 13

x = 13 or x = -13

x in { 13, -13 }

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