Question
Answer
$$x^3-1.3x^2+0.26x+0.04=x^3-x^2$$
Explanation
| $$ \begin{aligned}x^3-1.3x^2+0.26x+0.04& \xlongequal{ }x^3-x^2+0x+0.04 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}x^3-x^2\end{aligned} $$ | |
| ① | Combine like terms: $$ x^3-x^2 = x^3-x^2 $$ |
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