Answer:
The answer is 7x² + 2x – 1
Step-by-step explanation:
(7x² – 5x + 3) + (2² + 7x – 8)
7x² – 5x + 3 + 4 + 7x – 8
7x² + 2x – 1
Thus, The answer is 7x² + 2x – 1
-TheUnknownScientist 72
