Evaluate
-\frac{50rx}{x-4}
Differentiate w.r.t. x
\frac{200r}{\left(x-4\right)^{2}}
Graph
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\frac{r\left(-50\right)}{x-4}x
Express r\times \frac{-50}{x-4} as a single fraction.
\frac{r\left(-50\right)x}{x-4}
Express \frac{r\left(-50\right)}{x-4}x as a single fraction.
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