Multiply the Monomial and the Polynomial $$5 x ^ { 5 } \left( - 4 x ^ { 4 } + 7 x ^ { 2 } - 9 \right)$$

question 78

Multiple Choice

Multiply the monomial and the polynomial. Assume any variable exponents represent whole numbers.
- $$5 x ^ { 5 } \left( - 4 x ^ { 4 } + 7 x ^ { 2 } - 9 \right)$$

• A) \(- 20 x ^ { 9 } + 35 x ^ { 7 }\)
• B) \(- 20 x ^ { 4 } + 35 x ^ { 2 } - 45\)
• C) \(- 20 x ^ { 9 } + 7 x ^ { 2 } - 9\)
• D) \(- 20 x ^ { 9 } + 35 x ^ { 7 } - 45 x ^ { 5 }\)

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