The polynomial simplifies to an expression that is a with a degree of .

1) Simplification:

8x^2 - 5x - 7 - (9x^2 - 3x - 5) + (x + 7)(x +1) =

8x^2 - 5x - 7 - 9x^2 + 3x + 5 + x^2 + 8x + 7 =

6x + 5

2) That is a linear polynomial.

The degree is 1.

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