Simplify the Expression $$6 \left( x ^ { 2 } - 9 x - 8 \right) - 5 \left( x ^ { 2 } - 9 x - 8 \right) + 8 \left( x ^ { 2 } - 9 x - 8 \right)$$

question 49

Multiple Choice

Simplify the expression. $$6 \left( x ^ { 2 } - 9 x - 8 \right) - 5 \left( x ^ { 2 } - 9 x - 8 \right) + 8 \left( x ^ { 2 } - 9 x - 8 \right)$$

• A) \(9 x ^ { 2 } - 171 x - 152\)
• B) \(9 x ^ { 2 } - 171 x - 72\)
• C) \(9 x ^ { 2 } - 81 x - 72\)
• D) \(9 x ^ { 2 } - 81 x - 152\)
• E)none of these

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