Question
Answer
$$-16x+92xx+x^4=x^4+92x^2-16x$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}-16x+92xx+x^4& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-16x+92x^2+x^4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}x^4+92x^2-16x\end{aligned} $$ | |
| ① | $$ 92 x x = 92 x^{1 + 1} = 92 x^2 $$ |
| ② | Combine like terms: $$ x^4+92x^2-16x = x^4+92x^2-16x $$ |
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