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04-11-2021
Mathematics

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

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04-11-2021

[tex] {3x}^{2} + 5x - 1 + {x}^{2} - 2x - 7 \\ {3x}^{2} + {x}^{2} + 5x - 2x - 1 - 7 \\ {4x}^{2} + 3x - 8[/tex]

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