Answer
$$6(4x^7y-8x)-2x+9=24x^7y-50x+9$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}6(4x^7y-8x)-2x+9& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}24x^7y-48x-2x+9 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}24x^7y-50x+9\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{6} $ by $ \left( 4x^7y-8x\right) $ $$ \color{blue}{6} \cdot \left( 4x^7y-8x\right) = 24x^7y-48x $$ |
| ② | Combine like terms: $$ 24x^7y \color{blue}{-48x} \color{blue}{-2x} +9 = 24x^7y \color{blue}{-50x} +9 $$ |
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