4x^2+9x-(x^2-6x+9)+11
4x^2+9x-x^2+6x-9+11
3x^2+15x+2
Answer:
22
Step-by-step explanation:
11 x 2 = 22
22 teams played
The answer to the question they gave you is D
This is the commutative property of addition. It basically says, x+y=y+x.
To answer your question, 103+21=21+103
