Factoring polynomials,

Answer:
(x+1) ( 9w+4)
Step-by-step explanation:
9wx +9w +4x+4
I will use factoring by grouping
9wx +9w +4x+4
Factor 9w from the first two terms and 4 from the last two terms
9w(x+1) + 4( x+1)
Now factor out (x +1)
(x+1) ( 9w+4)