-2x + 3 from - 3x2 + 5x + 12
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Answer:
-3x² + 7x + 9
Step-by-step explanation:
-3x² + 5x + 12 - (-2x + 3)
-3x² + 5x + 12 + 2x - 3
-3x² + 7x + 9
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