Разложите на множители:

\(\displaystyle 6y^{\,7}z^{\,4}+6x^{\,8}z^{\,4}-4x^{\,6}y^{\,5}-9x^{\,2}y^{\,2}z^{\,8}=\big(\)[ ]\(\displaystyle \big)\big(\)[ ]\(\displaystyle \big)\)