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Mathematics, 10.03.2021 18:30 GreenHerbz206

What is the sum of the polynomials? (3x2 - 4x + 7) + (4x2 - 5x - 12)

a 7x^2 - 9x - 5
b 7x^2 + 9x - 5
c 7x^4 - 9x - 5
d 7x^4 + 9x - 5

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What is the sum of the polynomials? (3x2 - 4x + 7) + (4x2 - 5x - 12)

a 7x^2 - 9x - 5

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