Question
Answer
$$\sqrt{2}\cdot\sqrt{2}-3\sqrt{310}-\sqrt{7}\cdot\sqrt{2}\cdot2-1=1-3\sqrt{310}-2\sqrt{14}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\sqrt{2}\cdot\sqrt{2}-3\sqrt{310}-\sqrt{7}\cdot\sqrt{2}\cdot2-1& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2-3\sqrt{310}-2\sqrt{14}-1 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}1-3\sqrt{310}-2\sqrt{14}\end{aligned} $$ | |
| ① | $$ \sqrt{4} = 2 $$ |
| ② | Combine like terms |
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