Question

Plz help me i need it

Answer 1

13x^3-2x^2+3x+13

Explanation:

you add the like terms. For example, you can add 3x^2 and 2x^2, but not 6 and 2x^2.

Answer 2

Answer: 13x³ - 2x² + 3x + 13

Explanation:

5x³ + 3x² - 5x + 4

+ 8x³ - 5x² + 8x + 9

13x³ - 2x² + 3x + 13