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) $15 x ^ { 2 } + 22 y$

Question

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The Answer of 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) $15 x ^ { 2 } + 22 y$

Simplify the Expression, and Combine Like Terms 2(3x2+9y)−(9x2−4y)2 \left( 3 x ^ { 2 } + 9 y \right) - \left( 9 x ^ { 2 } - 4 y \right)2(3x2+9y)−(9x2−4y)

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