Answer:
7c (2d - 1)
Step-by-step explanation:
Common factorization
[tex]\bold{ 7c(2d - 1)}[/tex]
[tex]\sf \rightarrow 14cd - 7(c)[/tex]
take 7(c) as common factor
[tex]\sf \rightarrow 7c(2d - 1)[/tex]
factorised
[tex]\sf 7 c(2d - 1)[/tex]
