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19-02-2018
Mathematics

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find the sum. (X^7 + 2x^5 + 5x^3 + 17x) + (x^6 - 2x^4 - x^2 + 17).

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susanwiederspan susanwiederspan

19-02-2018

x⁷ + x⁶ + 2x⁵ - 2x⁴ + 5x³ - x² + 17x + 17

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