Question: Perform the indicated operations. Write the resulting polynomial in standard form and indicate its degree. ( 7 x 2 - 6 x - 1 )

Perform the indicated operations. Write the resulting polynomial in standard form and indicate its degree.
(7x2-6x-1)+(3x2-5x+8)-(x2-2x-1)
(7x2-6x-1)+(3x2-5x+8)-(x2-2x-1)=9x2-9x+8
(Simplify your answer. Type your answer in standard form.)
The degree of the resulting polynomial is
(Type a whole number.)
Perform the indicated operations. Write the resulting polynomial in standard form

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