Question 317524
{{{ b^3a^5z^6/b^4a=b^(3-4)a^(5-1)z^6}}}
{{{ b^3a^5z^6/b^4a=b^(-1)a^(4)z^6}}}
{{{ b^3a^5z^6/b^4a=(a^(4)z^6)/b}}}