4/5x^2=200

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Solution for 4/5x^2=200 equation: 


x in (-oo:+oo)

(4/5)*x^2 = 200 // - 200

(4/5)*x^2-200 = 0

4/5*x^2 = 200 // : 4/5

x^2 = 250

x^2 = 250 // ^ 1/2

abs(x) = 5*10^(1/2)

x = 5*10^(1/2) or x = -(5*10^(1/2))

x in { 5*10^(1/2), -(5*10^(1/2)) }

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