Question
Answer
$$2x^2-7x+1+4x^2+5x+5=6x^2-2x+6$$
Explanation
| $$ \begin{aligned}2x^2-7x+1+4x^2+5x+5& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}6x^2-2x+6\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2x^2} \color{red}{-7x} + \color{green}{1} + \color{blue}{4x^2} + \color{red}{5x} + \color{green}{5} = \color{blue}{6x^2} \color{red}{-2x} + \color{green}{6} $$ |
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