| $$ \begin{aligned}(-5x^5y^5)^5& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3125x^{25}y^{25}\end{aligned} $$ | |
| ① | $$ \left( -5x^5y^5 \right)^5 = (-5)^5 \left( x^5 \right)^5 \left( y^5 \right)^5 = -3125x^{25}y^{25} $$ |