Question
Answer
$$-\sqrt{6}\cdot7\sqrt{10}=-14\sqrt{15}$$
Explanation
| $$ \begin{aligned}-\sqrt{6}\cdot7\sqrt{10}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-14\sqrt{15}\end{aligned} $$ | |
| ① | $$ - 7 \sqrt{60} =
-7 \sqrt{ 2 ^2 \cdot 15 } =
-7 \sqrt{ 2 ^2 } \, \sqrt{ 15 } =
-7 \cdot 2 \sqrt{ 15 } =
-14 \sqrt{ 15 } $$ |
This page was created using
Simplify Radical Expression