Simplify the Expression, and Combine Like Terms $$2 \left( 3 x ^ { 2 } + 9 y \right) - \left( 9 x ^ { 2 } - 4 y \right)$$

question 115

Multiple Choice

Simplify the expression, and combine like terms.
- $$2 \left( 3 x ^ { 2 } + 9 y \right) - \left( 9 x ^ { 2 } - 4 y \right)$$

• A) \(15 \mathrm { x } ^ { 2 } + 13 \mathrm { y }\)
• B) \(- 3 x ^ { 2 } + 14 y\)
• C) \(- 3 x ^ { 2 } + 22 y\)
• D) \(15 x ^ { 2 } + 22 y\)

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