Perform the indicated operation. $\begin{array} { r }
3 x ^ { 3 } - 3 x ^ { 2 } + 4 x - 3 \
- 2 x ^ { 3 } + 2 x ^ { 2 } + 2 x - 2 \
+ \quad 4 x ^ { 3 } - 6 x ^ { 2 } + 5 x - 10 \
\hline
\end{array}$
A) $5 x ^ { 3 } - 7 x ^ { 2 } + 11 x - 15$
B) $5 x ^ { 3 } - 7 x ^ { 2 } - 11 x + 15$
C) $5 x ^ { 3 } - 7 x ^ { 2 } + 11 x + 15$
D) $5 x ^ { 3 } + 7 x ^ { 2 } + 11 x - 15$
E) $5 x ^ { 3 } - 7 x ^ { 2 } - 11 x - 15$

Question

Perform the indicated operation. $\begin{array} { r } 
3 x ^ { 3 } - 3 x ^ { 2 } + 4 x - 3 \
- 2 x ^ { 3 } + 2 x ^ { 2 } + 2 x - 2 \
+ \quad 4 x ^ { 3 } - 6 x ^ { 2 } + 5 x - 10 \
\hline
\end{array}$
A) $5 x ^ { 3 } - 7 x ^ { 2 } + 11 x - 15$
B) $5 x ^ { 3 } - 7 x ^ { 2 } - 11 x + 15$
C) $5 x ^ { 3 } - 7 x ^ { 2 } + 11 x + 15$
D) $5 x ^ { 3 } + 7 x ^ { 2 } + 11 x - 15$
E) $5 x ^ { 3 } - 7 x ^ { 2 } - 11 x - 15$

Quizplus · Accepted Answer

To solve, add the coefficients of like terms: $3x^3 - 2x^3 + 4x^3 = 5x^3$, $-3x^2 + 2x^2 - 6x^2 = -7x^2$, $4x + 2x + 5x = 11x$, and $-3 - 2 - 10 = -15$.

Perform the Indicated Operation A) 5x3−7x2+11x−155 x ^ { 3 } - 7 x ^ { 2 } + 11 x - 155x3−7x2+11x−15

Perform the Indicated Operation A) $5 x ^ { 3 } - 7 x ^ { 2 } + 11 x - 15$