15z^7-18z^3/3z^3

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Solution for 15z^7-18z^3/3z^3 equation: 


z in (-oo:+oo)

15*z^7-(((18*z^3)/3)*z^3) = 0

15*z^7-6*z^6 = 0

15*z^7-6*z^6 = 0

3*z^6*(5*z-2) = 0

5*z-2 = 0 // + 2

5*z = 2 // : 5

z = 2/5

3*z^6 = 0

3*z^6 = 0 // : 3

z^6 = 0

z = 0

z in { 2/5, 0 }

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