5/2(x^2)=40

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Solution for 5/2(x^2)=40 equation: 


x in (-oo:+oo)

(5/2)*x^2 = 40 // - 40

(5/2)*x^2-40 = 0

5/2*x^2 = 40 // : 5/2

x^2 = 16

x^2 = 16 // ^ 1/2

abs(x) = 4

x = 4 or x = -4

x in { 4, -4 }

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