Question
Answer
$$2x^2-2x+29+8x^2+9x-67=10x^2+7x-38$$
Explanation
| $$ \begin{aligned}2x^2-2x+29+8x^2+9x-67& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}10x^2+7x-38\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2x^2} \color{red}{-2x} + \color{green}{29} + \color{blue}{8x^2} + \color{red}{9x} \color{green}{-67} = \color{blue}{10x^2} + \color{red}{7x} \color{green}{-38} $$ |
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