Разложите на множители:

\(\displaystyle 77t^{\,7}u^{\,5}y^{\,2}+42t^{\,4}+55t^{\,3}u^{\,11}y^{\,2}+30u^{\,6}=\big(\)[ ]\(\displaystyle \big)\big(\)[ ]\(\displaystyle \big)\)