Answer:
The answer is 7x² + 2x – 1
Explanation:
(7x² – 5x + 3) + (2² + 7x – 8)
7x² – 5x + 3 + 4 + 7x – 8
7x² + 2x – 1
Thus, The answer is 7x² + 2x – 1
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