Mathematics, 05.10.2019 07:00 bm42400

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what is the difference of the polynomials?

(12x^2 - 11y^2 - 13x) - (5x^2 - 14y^2 - 9x)

a. 7x^2 + 3y^2 - 4x

b. 7x^2 - 3y^2 - 4x

c. 7x^2 - 25y^2 - 22x

d. 17x^2 - 25y^2 - 22x

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what is the difference of the polynomials?

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