Answer: 9x^2 + 2x - 5
Step-by-step explanation:
6x^2 - 5x + 3 + 3x^2 + 7x -8
Like terms are: (6x^2 and 3x^2), (-5x and 7x), and (3 and -8)
6x^2 + 3x^2 = 9x^2
-5x + 7x = 2x
3 + -8 = -5
9x^2 + 2x - 5 is the simplest answer
