Perform the indicated operation.
-$5 x ^ { 3 } + 6 x ^ { 2 } + 7 x + 5 - \left( 2 x ^ { 3 } - 4 x ^ { 2 } - 9 x + 2 \right)$
A) $3 x ^ { 3 } + 2 x ^ { 2 } - 2 x + 7$
B) $7 x ^ { 3 } + 2 x ^ { 2 } - 2 x + 7$
C) $3 x ^ { 3 } + 10 x ^ { 2 } + 16 x + 3$
D) $7 x ^ { 3 } + 2 x ^ { 2 } - 2 x + 3$

Question

Quizplus · Accepted Answer

The Answer of Perform the indicated operation.
-$5 x ^ { 3 } + 6 x ^ { 2 } + 7 x + 5 - \left( 2 x ^ { 3 } - 4 x ^ { 2 } - 9 x + 2 \right)$
A) $3 x ^ { 3 } + 2 x ^ { 2 } - 2 x + 7$
B) $7 x ^ { 3 } + 2 x ^ { 2 } - 2 x + 7$
C) $3 x ^ { 3 } + 10 x ^ { 2 } + 16 x + 3$
D) $7 x ^ { 3 } + 2 x ^ { 2 } - 2 x + 3$

Perform the Indicated Operation 5x3+6x2+7x+5−(2x3−4x2−9x+2)5 x ^ { 3 } + 6 x ^ { 2 } + 7 x + 5 - \left( 2 x ^ { 3 } - 4 x ^ { 2 } - 9 x + 2 \right)5x3+6x2+7x+5−(2x3−4x2−9x+2)

Perform the Indicated Operation $5 x ^ { 3 } + 6 x ^ { 2 } + 7 x + 5 - \left( 2 x ^ { 3 } - 4 x ^ { 2 } - 9 x + 2 \right)$