Factor Assume That Variables Used as Exponents Represent Positive Integers $$7 x ^ { 2 n } + 5 x ^ { n } - 18$$

question 173

Multiple Choice

Factor. Assume that variables used as exponents represent positive integers.
- $$7 x ^ { 2 n } + 5 x ^ { n } - 18$$

• A) \(\left( \mathrm { x } ^ { \mathrm { n } } - 9 \right) \left( 7 \mathrm { x } ^ { \mathrm { n } } + 2 \right)\)
• B) \(\left( x ^ { n } + 2 \right) \left( 7 x ^ { n } - 9 \right)\)
• C) \(\left( x ^ { n } - 2 \right) \left( 7 x ^ { n } + 9 \right)\)
• D) prime polynomial

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