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
Answer:
Its 0.33
Step-by-step explanation:
Took the test
<span> Coefficients are numbers used to multiply a variable.
IN this case, the coefficients are -8, 12 and 5.
</span>
Answer: you use the formula: c=2πr
Hope that helps, have a good day:)
