27u^7-21u^5/3u^3

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Solution for 27u^7-21u^5/3u^3 equation: 


u in (-oo:+oo)

27*u^7-(u^3*((21*u^5)/3)) = 0

27*u^7-7*u^8 = 0

27*u^7-7*u^8 = 0

u^7*(27-7*u) = 0

27-7*u = 0 // - 27

-7*u = -27 // : -7

u = -27/(-7)

u = 27/7

u^7 = 0

1*u^7 = 0 // : 1

u^7 = 0

u = 0

u in { 27/7, 0 }

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