Question
Answer
$$-3x\cdot6^4+6x^4-5x^4=x^4-3888x$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}-3x\cdot6^4+6x^4-5x^4& \xlongequal{ }-3x\cdot1296+6x^4-5x^4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3888x+6x^4-5x^4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}x^4-3888x\end{aligned} $$ | |
| ① | $$ 3 x \cdot 1296 = 3888 x $$ |
| ② | Combine like terms: $$ -3888x+ \color{blue}{6x^4} \color{blue}{-5x^4} = \color{blue}{x^4} -3888x $$ |
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