((7-y^3)(y+8))/(y-4)=0

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Solution for ((7-y^3)(y+8))/(y-4)=0 equation: 


D( y )

y-4 = 0

y-4 = 0

y-4 = 0

y-4 = 0 // + 4

y = 4

y in (-oo:4) U (4:+oo)

((7-y^3)*(y+8))/(y-4) = 0

( 7-y^3 )

-1*y^3 = -7 // : -1

y^3 = 7

y^3 = 7 // ^ 1/3

y = 7^(1/3)

( y+8 )

y+8 = 0 // - 8

y = -8

y in { 7^(1/3), -8 }

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