Find the Sum When $8 x ^ { 2 } + 3 x - 3$

question 18

Multiple Choice

Find the sum when $8 x ^ { 2 } + 3 x - 3$ is added to the sum of $- 2 x ^ { 2 } - 7 x + 4$ and $- 9 x ^ { 2 } + 8 x - 4$ .

• A) \(15 x ^ { 2 } - 4 x - 3\)
• B) \(- 3 x ^ { 2 } + 4 x + 5\)
• C) \(- 3 x ^ { 2 } - 12 x + 5\)
• D) \(- 3 x ^ { 2 } + 4 x - 3\)
• E)none of these

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