Answer
$$\frac{1+2\sqrt{5}}{3-5}=-\frac{1+2\sqrt{5}}{2}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{1+2\sqrt{5}}{3-5}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{1+2\sqrt{5}}{-2} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-\frac{1+2\sqrt{5}}{2}\end{aligned} $$ | |
| ① | Simplify numerator and denominator |
| ② | Place a negative sign in front of a fraction. |
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