Question
Answer
$$2x^2-2x+1+3x^3-2x^2+2x+1=3x^3+2$$
Explanation
| $$ \begin{aligned}2x^2-2x+1+3x^3-2x^2+2x+1& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3x^3+2\end{aligned} $$ | |
| ① | Combine like terms: $$ \, \color{blue}{ \cancel{2x^2}} \, \, \color{green}{ -\cancel{2x}} \,+ \color{blue}{1} +3x^3 \, \color{blue}{ -\cancel{2x^2}} \,+ \, \color{green}{ \cancel{2x}} \,+ \color{blue}{1} = 3x^3+ \color{blue}{2} $$ |
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