Final Answer
$12a^3b^9+5a^5b^6-2b^5$
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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 $a=b$, $b=1$ and $x=5a^5b^6-2b^5+12a^3b^9$
$12a^3b^9+5a^5b^6-2b^5$
Final Answer
$12a^3b^9+5a^5b^6-2b^5$