Question
Answer
$$6k-7k^2+4k^2+6=-3k^2+6k+6$$
Explanation
| $$ \begin{aligned}6k-7k^2+4k^2+6& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3k^2+6k+6\end{aligned} $$ | |
| ① | Combine like terms: $$ 6k \color{blue}{-7k^2} + \color{blue}{4k^2} +6 = \color{blue}{-3k^2} +6k+6 $$ |
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