Find the Sum or Difference $$\left( 7 n ^ { 6 } - 9 n + 2 n ^ { 3 } \right) + \left( 7 n ^ { 3 } + 6 n ^ { 6 } - 4 n \right)$$

question 570

Multiple Choice

Find the sum or difference.
- $$\left( 7 n ^ { 6 } - 9 n + 2 n ^ { 3 } \right) + \left( 7 n ^ { 3 } + 6 n ^ { 6 } - 4 n \right)$$

• A) \(13 n ^ { 6 } + 9 n ^ { 3 } - 13 n\)
• B) \(13 n + 9 n ^ { 6 } - 13 n ^ { 3 }\)
• C) \(- 3 n ^ { 6 } + 14 n ^ { 3 } - 2 n\)
• D) \(9 \mathrm { n } ^ { 10 }\)

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