Tap the blue circles to see an explanation.
| $$ \begin{aligned}-0.000324(x^5-6x^4-171x^3+1040x^2+4500x-18000)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}0x^5+0x^4+0x^3+0x^2+0x+0 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}0\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{0} $ by $ \left( x^5-6x^4-171x^3+1040x^2+4500x-18000\right) $ $$ \color{blue}{0} \cdot \left( x^5-6x^4-171x^3+1040x^2+4500x-18000\right) = 0x^50x^40x^30x^20x0 $$ |
| ② | Combine like terms: $$ 0 = 0 $$ |