matthewroberts1010 matthewroberts1010

21-10-2018
Mathematics

contestada

Find the sum of the given polynomials.

3x 2 + 2x - 5 and -4 + 7x 2

1. -x2 + 9x - 9
2. 21x2 + 2x + 20
3. 10x2 - 5x - 1
4. 10x2 + 2x - 9

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Animalz23 Animalz23

21-10-2018

Number 4 is your answer

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tommiekingbey tommiekingbey

07-01-2020

Answer:

the real answer is 10x^2 + 2x − 9

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