Answer:
a^2+6a+9
Step-by-step explanation:
X+y and y+x are the same as stated by the commutative law.
This is because let’s say x=2 and y=3,
2+3=5 and 3+2=5
Step-by-step explanation:
all real numbers not equal to 0
all real numbers
81 is the correct answer
hope it helps you have a good day