Question
Answer
$$12n^2-\dfrac{36}{12}n=12n^2-3n$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}12n^2-\frac{36}{12}n& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}12n^2 - \frac{ 36 : \color{orangered}{ 12 } }{ 12 : \color{orangered}{ 12 }} \cdot n \xlongequal{ } \\[1 em] & \xlongequal{ }12n^2-\frac{3}{1}n \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}12n^2-3n\end{aligned} $$ | |
| ① | Divide both the top and bottom numbers by $ \color{orangered}{ 12 } $. |
| ② | Remove 1 from denominator. |
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Simplify Rational Expressions