Question
Answer
$$j-6j\cdot2-8j+12=-19j+12$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}j-6j\cdot2-8j+12& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}j-12j-8j+12 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-19j+12\end{aligned} $$ | |
| ① | $$ 6 j \cdot 2 = 12 j $$ |
| ② | Combine like terms: $$ \color{blue}{j} \color{red}{-12j} \color{red}{-8j} +12 = \color{red}{-19j} +12 $$ |
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