Add the following polynomials (Write answers in descending

Last updated: 7/17/2022

Add the following polynomials (Write answers in descending order): 1. (7j³-2) + (5j³-j-3) 2. (8a5-4) + (3a² + a-2) 3. (6m5 + 1) + (2m5 + 9m - 1) 4. (3m5 + 1) + (9m5 +3m - 2) 5. (-5x²-x+4) + (-3x² - 5x+2) 6. (-4x + 4x³ + 7) + (3x³-9-3x) 7. (3x² - 2x + 1) + (-x² + 3x + 1)