Simplify the Expression by Combining Any Like Terms $9 x ^ { 2 } - 4 x + 7 + 2 x - 5 + 9 x ^ { 2 }$

question 87

Multiple Choice

Simplify the expression by combining any like terms.
- $9 x ^ { 2 } - 4 x + 7 + 2 x - 5 + 9 x ^ { 2 }$

• A) \(18 x ^ { 4 } - 2 x ^ { 2 } + 2\)
• B) \(18 x ^ { 2 } - 2 x + 2\)
• C) \(18 x ^ { 3 }\)
• D) \(16 x ^ { 2 } + 11 x - 9\)

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