(1/2x)(x)=3200

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Solution for (1/2x)(x)=3200 equation: 


x in (-oo:+oo)

(1/2)*x*x = 3200 // - 3200

(1/2)*x*x-3200 = 0

1/2*x^2 = 3200 // : 1/2

x^2 = 6400

x^2 = 6400 // ^ 1/2

abs(x) = 80

x = 80 or x = -80

x in { 80, -80 }

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