Perform the Indicated Operation A) $12 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } + 6$

question 231

Multiple Choice

Perform the indicated operation.
- $$\begin{array} { r } 5 x ^ { 9 } + 3 x ^ { 8 } + 4 x ^ { 7 } - 1 \\- \left( 7 x ^ { 9 } + 7 x ^ { 8 } - 6 x ^ { 7 } - 7 \right) \\\hline\end{array}$$

• A) \(12 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } + 6\)
• B) \(- 2 x ^ { 9 } - 4 x ^ { 8 } + 10 x ^ { 7 } + 6\)
• C) \(12 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } - 8\)
• D) \(- 2 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } - 8\)

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