Simplify the Polynomial by Combining Like Terms $$\begin{array} { r } 5 x ^ { 5 } + 5 x ^ { 2 } \\+ \left( 2 x ^ { 5 } - 8 x ^ { 2 } \right) \\\hline\end{array}$$

Multiple Choice

Simplify the polynomial by combining like terms.
- $$\begin{array} { r } 5 x ^ { 5 } + 5 x ^ { 2 } \\+ \left( 2 x ^ { 5 } - 8 x ^ { 2 } \right) \\\hline\end{array}$$

A) $7 x ^ { 10 } - 3 x ^ { 4 }$
B) $4 x ^ { 14 }$
C) $7 x ^ { 5 } - 3 x ^ { 2 }$
D) $4 \mathrm { x } ^ { 7 }$