Perform the indicated operation.
-$$\begin{array} { r }
6 a ^ { 5 } - 5 a ^ { 3 } \
- 2 a ^ { 5 } - 5 a ^ { 3 } \
\hline
\end{array}$$
A) $8 a ^ { 5 } - 10 a ^ { 3 }$
B) $8 a ^{10 }- 10 a^ 6$
C) $- 2 a ^{16}$
D) $- 2 a ^ { 8 }$

Question

Perform the indicated operation.
-$$\begin{array} { r } 
6 a ^ { 5 } - 5 a ^ { 3 } \
- 2 a ^ { 5 } - 5 a ^ { 3 } \
\hline
\end{array}$$
A) $8 a ^ { 5 } - 10 a ^ { 3 }$
B) $8 a ^{10 }- 10 a^ 6$
C) $- 2 a ^{16}$
D) $- 2 a ^ { 8 }$

Quizplus · Accepted Answer

Subtracting the second polynomial from the first, we combine like terms: $6a^5 - (-2a^5) = 8a^5$ and $-5a^3 - (-5a^3) = -10a^3$, resulting in $8a^5 - 10a^3$.

Perform the Indicated Operation 6a5−5a3−2a5−5a3\begin{array} { r } 6 a ^ { 5 } - 5 a ^ { 3 } \\- 2 a ^ { 5 } - 5 a ^ { 3 } \\\hline\end{array}6a5−5a3−2a5−5a3​​

Perform the Indicated Operation $\begin{array} { r } 6 a ^ { 5 } - 5 a ^ { 3 } \\- 2 a ^ { 5 } - 5 a ^ { 3 } \\\hline\end{array}$