Sagot :
Step-by-step explanation:
Given: (5x + 3x – 9)
(2x² - 4x - 11)
Operation: SUBTRACTION
Solution: 5x + 3x – 9
8x - 9
- 2x² - 4x - 11
2x² + 12x + 2
Conclusion:
Subtracting polynomials requires us to first change the signs of the second polynomial before combining terms.