Answer:
the answer is $47.70
Step-by-step explanation:
Answer:
Step-by-step explanation:
What's a brainlist?
Answer:
x = 15
Step-by-step explanation:
I have this all put under a photo. Let me know if you need any explanation
Combine like terms. remember to keep the signs.
5x² - 2x² = 3x²
3x - (-6x) = 3x + 6x = 9x
4 - (-3) = 7
3x² + 9x + 7 = Ax² + Bx + C
9 = B, because 9 is in the B's place
9 is your answer
hope this helps