Question
Answer
$$\dfrac{1}{3}-\dfrac{3\sqrt{27}}{9}=\dfrac{1}{3}-\sqrt{3}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{1}{3}-\frac{3\sqrt{27}}{9}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{1}{3}-\frac{\sqrt{3}}{1} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}\frac{1}{3}-\sqrt{3}\end{aligned} $$ | |
| ① | Divide both numerator and denominator by 9. |
| ② | Remove 1 from denominator. |
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