Okay so you're correct answer in this situation would be A but it could alsobe C
Answer: it is a linear line
Step-by-step explanation:
They both together make 0
Answer:
9x
Step-by-step explanation:
(x² + 2x) - (x² - 7x) ← distribute parenthesis
= x² + 2x - x² + 7x ← collect like terms
= 9x