Final Answer
$5y^6-y^3+y^2+y-4$
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Step-by-step Solution
Specify the solving method
1
Apply the formula: $order\left(x,a,b\right)$$=order\left(x,a,b\right)$, where $a=y$, $b=1$ and $x=y+y^2-4+5y^6-y^3$
$5y^6-y^3+y^2+y-4$
Final Answer
$5y^6-y^3+y^2+y-4$