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Find the sum of 3x² + 5x - 1 and x² - 2x -7​
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Find the sum of 3x² + 5x - 1 and x² - 2x -7​

User Spiegelritter
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{3x}^(2) + 5x - 1 + {x}^(2) - 2x - 7 \\ {3x}^(2) + {x}^(2) + 5x - 2x - 1 - 7 \\ {4x}^(2) + 3x - 8

User Henrietta Martingale
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