Question
Answer
$$14x^2+28x^3-7x^2=28x^3+7x^2$$
Explanation
| $$ \begin{aligned}14x^2+28x^3-7x^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}28x^3+7x^2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{14x^2} +28x^3 \color{blue}{-7x^2} = 28x^3+ \color{blue}{7x^2} $$ |
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