Разложите на множители:

\(\displaystyle 48u^{\,7}w^{\,2}y^{\,4}-42-56u^{\,12}w^{\,11}y^{\,7}+49u^{\,5}w^{\,9}y^{\,3}=\big(\)[ ]\(\displaystyle \big)\big(\)[ ]\(\displaystyle \big)\)