3/5x^2=21

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Solution for 3/5x^2=21 equation: 


x in (-oo:+oo)

(3/5)*x^2 = 21 // - 21

(3/5)*x^2-21 = 0

3/5*x^2 = 21 // : 3/5

x^2 = 35

x^2 = 35 // ^ 1/2

abs(x) = 35^(1/2)

x = 35^(1/2) or x = -35^(1/2)

x in { 35^(1/2), -35^(1/2) }

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