Tap the blue circles to see an explanation.
| $$ \begin{aligned}24 \cdot \frac{x^3}{42}x^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{24x^3}{42}x^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}\frac{24x^5}{42}\end{aligned} $$ | |
| ① | Multiply $24$ by $ \dfrac{x^3}{42} $ to get $ \dfrac{ 24x^3 }{ 42 } $. Step 1: Write $ 24 $ as a fraction by putting $ \color{red}{1} $ in the denominator. Step 2: Multiply numerators and denominators. Step 3: Simplify numerator and denominator. $$ \begin{aligned} 24 \cdot \frac{x^3}{42} & \xlongequal{\text{Step 1}} \frac{24}{\color{red}{1}} \cdot \frac{x^3}{42} \xlongequal{\text{Step 2}} \frac{ 24 \cdot x^3 }{ 1 \cdot 42 } = \\[1ex] & \xlongequal{\text{Step 3}} \frac{ 24x^3 }{ 42 } \end{aligned} $$ |
| ② | Multiply $ \dfrac{24x^3}{42} $ by $ x^2 $ to get $ \dfrac{ 24x^5 }{ 42 } $. Step 1: Write $ x^2 $ as a fraction by putting $ \color{red}{ 1 } $ in the denominator. Step 2: Multiply numerators and denominators. Step 3: Simplify numerator and denominator. $$ \begin{aligned} \frac{24x^3}{42} \cdot x^2 & \xlongequal{\text{Step 1}} \frac{24x^3}{42} \cdot \frac{x^2}{\color{red}{1}} \xlongequal{\text{Step 2}} \frac{ 24x^3 \cdot x^2 }{ 42 \cdot 1 } = \\[1ex] & \xlongequal{\text{Step 3}} \frac{ 24x^5 }{ 42 } \end{aligned} $$ |