Tap the blue circles to see an explanation.
$$ \begin{aligned}\frac{\sqrt{58}}{\sqrt{23}}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{\sqrt{58}}{\sqrt{23}}\frac{\sqrt{23}}{\sqrt{23}} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}\frac{\sqrt{1334}}{23}\end{aligned} $$ | |
① | Multiply the numerator and denominator by the conjugate of the denominator . $$\color{blue}{ \sqrt{23}} $$. |
② | Multiply in a numerator. $$ \color{blue}{ \sqrt{58} } \cdot \sqrt{23} = \sqrt{1334} $$ Simplify denominator. $$ \color{blue}{ \sqrt{23} } \cdot \sqrt{23} = 23 $$ |