27-3u^2/u^2+3u-18

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Solution for 27-3u^2/u^2+3u-18 equation: 


D( u )

u^2 = 0

u^2 = 0

u^2 = 0

1*u^2 = 0 // : 1

u^2 = 0

u = 0

u in (-oo:0) U (0:+oo)

3*u-((3*u^2)/(u^2))-18+27 = 0

3*u-18-3+27 = 0

3*u+6 = 0 // - 6

3*u = -6 // : 3

u = -6/3

u = -2

u = -2

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