(1/2)x^2-7=25

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Solution for (1/2)x^2-7=25 equation: 


x in (-oo:+oo)

(1/2)*x^2-7 = 25 // - 25

(1/2)*x^2-25-7 = 0

1/2*x^2 = 32 // : 1/2

x^2 = 64

x^2 = 64 // ^ 1/2

abs(x) = 8

x = 8 or x = -8

x in { 8, -8 }

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