Разложите на множители:

\(\displaystyle z\,(5r-7q\,)+25cr-35cq=\)\(\displaystyle z\,(5r-7q\,)+\)[ ]\(\displaystyle \big(\)[ ]\(\displaystyle \big)=\big(\)[ ]\(\displaystyle \big)\big(\)[ ]\(\displaystyle \big)\)