x^3/2=7x

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Solution for x^3/2=7x equation: 


x in (-oo:+oo)

(x^3)/2 = 7*x // - 7*x

(x^3)/2-(7*x) = 0

(x^3)/2-7*x = 0

1/2*x^3-7*x = 0

x*(1/2*x^2-7) = 0

1/2*x^2 = 7 // : 1/2

x^2 = 14

x^2 = 14 // ^ 1/2

abs(x) = 14^(1/2)

x = 14^(1/2) or x = -14^(1/2)

x = 0

x = 0

x in { 14^(1/2), -14^(1/2), 0 }

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