Question
Answer
$$12x-86x-420x+1235x+21=741x+21$$
Explanation
| $$ \begin{aligned}12x-86x-420x+1235x+21& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}741x+21\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{12x} \color{red}{-86x} \color{green}{-420x} + \color{green}{1235x} +21 = \color{green}{741x} +21 $$ |
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Simplify Rational Expressions