Mathematics, 16.06.2020 11:57, jack104365

Which expression can be used to find the sum of the polynomials? (9 – 3x2) + (–8x2 + 4x + 5)

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Which expression can be used to find the sum of the polynomials? (9 – 3x2) + (–8x2 + 4x + 5)...