5/2x^2-80=0

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Solution for 5/2x^2-80=0 equation: 


x in (-oo:+oo)

(5/2)*x^2-80 = 0

5/2*x^2 = 80 // : 5/2

x^2 = 32

x^2 = 32 // ^ 1/2

abs(x) = 4*2^(1/2)

x = 4*2^(1/2) or x = -(4*2^(1/2))

x in { 4*2^(1/2), -(4*2^(1/2)) }

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