Mathematics, 25.07.2019 04:30, luzcastellanos556

In your notebook, set up the following addition using a vertical format and find the sum of the given polynomials. 3x^2 + 2x - 5 and -4 + 7x^2 -x 2 + 9x - 9 21x 2 + 2x + 20 10x 2 - 5x - 1 10x 2 + 2x - 9 answer asap

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In your notebook, set up the following addition using a vertical format and find the sum of the give...