3. Cain has a savings of (5x + 3x – 9) pesos in his bank account. Yesterday, he withdrew (2x2 - 4x
- 11) pesos. How much is left in his savings?
Given:
Operation
Solution:
Conclusion​


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.