Which method should be used to solve the system? Explain your answer, including a description of the first step.
-$$\begin{aligned}
- 3 x ^ { 2 } - y ^ { 2 } & = 4 \
- 10 x ^ { 2 } + 3 y ^ { 2 } & = 64
\end{aligned}$$

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The Answer of Which method should be used to solve the system? Explain your answer, including a description of the first step.
-$$\begin{aligned}
- 3 x ^ { 2 } - y ^ { 2 } & = 4 \
- 10 x ^ { 2 } + 3 y ^ { 2 } & = 64
\end{aligned}$$

Which Method Should Be Used to Solve the System? Explain −3x2−y2=4−10x2+3y2=64\begin{aligned}- 3 x ^ { 2 } - y ^ { 2 } & = 4 \\- 10 x ^ { 2 } + 3 y ^ { 2 } & = 64\end{aligned}−3x2−y2−10x2+3y2​=4=64​

Which Method Should Be Used to Solve the System? Explain $\begin{aligned}- 3 x ^ { 2 } - y ^ { 2 } & = 4 \\- 10 x ^ { 2 } + 3 y ^ { 2 } & = 64\end{aligned}$