Use a Special Product Pattern to Find the Product $\left( 9 x ^ { 2 } + 8 \right) \left( 9 x ^ { 2 } - 8 \right)$

question 121

Multiple Choice

Use a special product pattern to find the product $\left( 9 x ^ { 2 } + 8 \right) \left( 9 x ^ { 2 } - 8 \right)$ .

• A) \(81 x ^ { 2 } - 64\)
• B) \(81 x ^ { 2 } - 72 x + 64\)
• C) \(81 x ^ { 4 } - 144 x ^ { 2 } + 64\)
• D) \(81 x ^ { 4 } - 17 x ^ { 2 } - 64\)
• E) \(81 x ^ { 4 } - 64\)

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