Answer: a) x² + 6
Step-by-step explanation:
(4x² - 6x + 8) - (3x² - 6x + 2)
Distribute the negative to the polynomial on the right side. Then add like terms.
4x² - 6x + 8 - 3x² + 6x - 2
= 4x² - 3x² -6x + 6x + 8 - 2
= x² + 0 + 6
