Question
Answer
$$(4x+x)^5=3125x^5$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(4x+x)^5& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}(5x)^5 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}3125x^5\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{4x} + \color{blue}{x} = \color{blue}{5x} $$ |
| ② | $$ \left( 5x \right)^5 = 5^5x^5 = 3125x^5 $$ |
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