add 2x²+5x-8 and 10+3x²
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Answer:
5x² + 5x +2
Step-by-step explanation:
(2x² + 5x - 8) + (10 + 3x²)
= 2x² + 5x - 8 + 10 + 3x²
= 2x² + 3x² + 5x + 10 - 8
= 5x² + 5x + 2
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