Answer:
2c⁴ + 3c³ - 13c² - 18c + 6
Explanation:
Step 1: Distribute the c²
2c⁴ + 3c³ - c²
Step 2: Distribute the -6
-12c² - 18c + 6
Step 3: Combine the 2 distributions
2c⁴ + 3c³ - c² - 12c² - 18c + 6
Step 4: Combine like terms
2c⁴ + 3c³ - 13c² - 18c + 6