Posted by Taina on .
Factor by grouping if possible.
z^3+3z^2+7z+21

Factor (Math) 
bobpursley,
z^2(z+3)+7(z+3)
(z+3)(z^2+7) 
Factor (Math) 
Henry,
post it.
Posted by Taina on .
Factor by grouping if possible.
z^3+3z^2+7z+21
z^2(z+3)+7(z+3)
(z+3)(z^2+7)
post it.