Step-by-step explanation:
I dont see any questions
Can you send a picture to see if I can help
Answer:
sum: 7.3 difference:2.7
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
they are not like terms because the term 9x^2 is to the 2nd power which means that you are supposed to times the number by itself 2 times and 9x is not to the 2nd power so it stays the same.