Question
Answer
$$5-80x^2\cdot10=-800x^2+5$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}5-80x^2\cdot10& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5-800x^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-800x^2+5\end{aligned} $$ | |
| ① | $$ 80 x^2 \cdot 10 = 800 x^{2} $$ |
| ② | Combine like terms: $$ -800x^2+5 = -800x^2+5 $$ |
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