1/2n^2-10=62

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Solution for 1/2n^2-10=62 equation: 


n in (-oo:+oo)

(1/2)*n^2-10 = 62 // - 62

(1/2)*n^2-62-10 = 0

1/2*n^2 = 72 // : 1/2

n^2 = 144

n^2 = 144 // ^ 1/2

abs(n) = 12

n = 12 or n = -12

n in { 12, -12 }

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