Question

Enter your answer and show all the steps that you use to solve this problem and write your final answer in factored form.

Simplify: (9x^3 + 2x^2 - 5x + 4) - (5x^3 - 7x + 4)

Answer 1

4x³ +2x² + 2x

Explanation:

1- Determine the sign

2- Combine like terms