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Perform the Indicated Operation A) 12x9+10x82x7+612 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } + 6

Question 231

Multiple Choice

Perform the indicated operation.
- 5x9+3x8+4x71(7x9+7x86x77) \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) 12x9+10x82x7+612 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } + 6
B) 2x94x8+10x7+6- 2 x ^ { 9 } - 4 x ^ { 8 } + 10 x ^ { 7 } + 6
C) 12x9+10x82x7812 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } - 8
D) 2x9+10x82x78- 2 x ^ { 9 } + 10 x ^ { 8 } - 2 x ^ { 7 } - 8

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