Remove the Parentheses by Multiplying and Then Simplify by Combining $8 x \left( x ^ { 2 } - 4 x - 4 \right) + x \left( 7 x ^ { 2 } + 4 x - 5 \right)$

question 315

Multiple Choice

Remove the parentheses by multiplying and then simplify by combining similar terms. $8 x \left( x ^ { 2 } - 4 x - 4 \right) + x \left( 7 x ^ { 2 } + 4 x - 5 \right)$

• A) \(15 x ^ { 3 } - 28 x ^ { 2 } - 39 x\)
• B) \(15 x ^ { 3 } - 28 x ^ { 2 } - 37 x\)
• C) \(15 x ^ { 3 } - 30 x ^ { 2 } - 38 x\)
• D) \(16 x ^ { 3 } - 30 x ^ { 2 } - 37 x\)
• E) \(16 x ^ { 3 } - 28 x ^ { 2 } - 37 x\)

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