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Popular >

expand (r^2-2r)e^r

Solution

expand

(r^{2} - 2 r) e^{r}

Solution

e^{r} r^{2} - 2 e^{r} r

Solution steps

(r^{2} - 2 r) e^{r}

= e^{r} (r^{2} - 2 r)

Apply the distributive law:

a (b - c) = ab - a c

a = e^{r}, b = r^{2}, c = 2 r

= e^{r} r^{2} - e^{r} \cdot 2 r

= e^{r} r^{2} - 2 e^{r} r

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Frequently Asked Questions (FAQ)

What is expand (r^2-2r)e^r ?
The solution to expand (r^2-2r)e^r is e^rr^2-2e^rr