need help
posted by
sherri on
.
factor completely 4x2^8x

more math 
Ms. Sue,
Sherri  please type your school subject in the above box the next time you post.
I know of no school subjects called "need help."

need help 
Reiny,
there is a common factor of 4x, so
4x(x  2)
check this answer by expanding it.