Mathematics, 15.12.2021 18:50, ctyrector

What is the sum of the polynomials? (8x^2 -9y^2-4x)+(x^2-3y^2-7x)
A 7x^2-6y^2+3x
B 9x^2-6y^2+3x
C 9x^2-12y^2+3x
D 9x^-12y^2-11x
there are the answers but if you want to see them in a file i included the entire question and answers in a file

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What is the sum of the polynomials? (8x^2 -9y^2-4x)+(x^2-3y^2-7x)
A 7x^2-6y^2+3x
B 9x^...