add:3x square +5x-4,2x+3-xsquare and 8-3x+7xsquare
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add:3x square +5x-4,2x+3-xsquare and 8-3x+7xsquare
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Verified answer
Answer:
9x²+4x+7
Step-by-step explanation:
3x²+5x-4 + 2x+3-x² + 8-3x+7x² = 9x²+4x+7