Answer:
D 57
Step-by-step explanation:
The value of X
if you're trying to solve for x, and it is equal to zero, then it would be -3. plug it in and it would all cancel out
Answer:
Step-by-step explanation:
3ab + 7a² + 2b² - (7a² - 4ab + 2b²) = 3ab + 7a² + 2b² - 7a² + 4ab - 2b²
Now combine like term. Like terms have same variable with same power.
= <u>3ab + 4ab</u> <u>+ 7a² - 7a²</u> + <u>2b² - 2b²</u>
= 7ab
I think it's true. I'm so sorry if it's wrong
