Calculate: -(18z^{10})/(3z^7)

Expression: $-\frac{ 18{z}^{10} }{ 3{z}^{7} }$

Cancel out the common factor $3$

$-\frac{ 6{z}^{10} }{ {z}^{7} }$

Simplify the expression

$-6{z}^{3}$