Question

For questions 2 and 3, simplify each polynomial.

3x2 + 6 - 2x + 5x - 4x2 +9

A. -x^2 + 3x + 15
B. 7x^2 + 3x + 3
C. x^2-3x+15
D. -x^2 + 7x + 15​

Answer 1

A

Explanation:

3x² + 6 - 2x + 5x - 4x² + 9

Combine like terms:

3x² - 4x² - 2x + 5x + 6 + 9

-x² + 3x + 15