add:3x²+5x-4,8x-2x²+11
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Answer:
x²+13x+7
Explanation:
- 3x²+5x-4+8x-2x²+11
- 3x²-2x²+5x+8x-4+11
- x²+13x+7
hope this helps
MARK AS BRAINLIEST
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