Evaluate: (5n^4+6n^8-3n^7)/(18n^4)

Expression: $\frac{ 5{n}^{4}+6{n}^{8}-3{n}^{7} }{ 18{n}^{4} }$

$\frac{ {n}^{4} \times \left( 5+6{n}^{4}-3{n}^{3} \right) }{ 18{n}^{4} }$

$\frac{ 5+6{n}^{4}-3{n}^{3} }{ 18 }$

$\frac{ 6{n}^{4}-3{n}^{3}+5 }{ 18 }$