Answer:
[tex]5(4x+3k)[/tex] or [tex](20x+15k)[/tex]
Step-by-step explanation:
we have
[tex](18x+9k)+(2x+6k)[/tex]
step 1
Group terms that contain the same variable
[tex](18x+2x)+(9k+6k)[/tex]
step 2
Combine like terms
[tex](20x)+(15k)[/tex]
step 3
Factor the number [tex]5[/tex]
[tex]5(4x+3k)[/tex]