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14-02-2017
Mathematics

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Choose the correct sum of the polynomials (3x3 − 5x − 8) + (5x3 + 7x + 3).

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14-02-2017

(3x^3 − 5x − 8) + (5x^3 + 7x + 3)
=3x^3 − 5x − 8 + 5x^3 + 7x + 3
=8x^3 + 2x - 5

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