Answer:
The answer is D.
Step-by-step explanation:
3x*3x = 9x^2
3x*2= 6x
5*3x=15x
5*2=10
6x+15x=21x
9x^2+21x+10
Well, if u=12 and you are dividing you would do 144/5 which equals 12. I hope this helps and have a blessed day!
Answer:
24
Step-by-step explanation:
