Question
Answer
$$-\sqrt{176}=-4\sqrt{11}$$
Explanation
| $$ \begin{aligned}-\sqrt{176}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-4\sqrt{11}\end{aligned} $$ | |
| ① | $$ - \sqrt{176} =
- \sqrt{ 4 ^2 \cdot 11 } =
- \sqrt{ 4 ^2 } \, \sqrt{ 11 } =
- 4 \sqrt{ 11 }$$ |
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