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Answer» Step-by-step EXPLANATION: (4+3x)+(5-4x+2x²) =1-x+2x² (3x²-5x)+(-x²+2x+5) =2x²-3x+5 (1-x+2x²)-(2x²-3x+5) 1-x+2x²-2x²+3x-5 =2x-4 ANSWER |
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