Answer:
Start with:2x2 + 6x + 5 + 3x2 − 2x − 1.
Place like terms together:2x2+3x2 + 6x−2x + 5−1.
Which is:(2+3)x2 + (6−2)x + (5−1)
Add the like terms:5x2 + 4x + 4.
Explanation:
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