Perform the indicated operations. $\left( 2 x ^ { 2 } + 3 x - 4 \right) + \left( 4 x ^ { 2 } - 2 x - 1 \right) - \left( x ^ { 2 } + x + 4 \right)$
A) $5 x ^ { 2 } - x + 9$
B) $5 x ^ { 2 } - 4$
C) $5 x ^ { 2 } - 9$
D) $5 x ^ { 2 } + x - 9$
E) $2 x ^ { 2 } + 9$

Question

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The Answer of Perform the indicated operations. $\left( 2 x ^ { 2 } + 3 x - 4 \right) + \left( 4 x ^ { 2 } - 2 x - 1 \right) - \left( x ^ { 2 } + x + 4 \right)$
A) $5 x ^ { 2 } - x + 9$
B) $5 x ^ { 2 } - 4$
C) $5 x ^ { 2 } - 9$
D) $5 x ^ { 2 } + x - 9$
E) $2 x ^ { 2 } + 9$

Perform the Indicated Operations (2x2+3x−4)+(4x2−2x−1)−(x2+x+4)\left( 2 x ^ { 2 } + 3 x - 4 \right) + \left( 4 x ^ { 2 } - 2 x - 1 \right) - \left( x ^ { 2 } + x + 4 \right)(2x2+3x−4)+(4x2−2x−1)−(x2+x+4)

Perform the Indicated Operations $\left( 2 x ^ { 2 } + 3 x - 4 \right) + \left( 4 x ^ { 2 } - 2 x - 1 \right) - \left( x ^ { 2 } + x + 4 \right)$