Question

Find the exact value of the radical expression in simplest form.

Answer 1

\[r \sqrt{r}-3r \sqrt{r}+4r \sqrt{r}\]

Answer 2

Hint: \(r\sqrt{r}\) is common to each term therefore factor it out to get:

\(r\sqrt{r}(1 - 3 + 4)\)

Answer 3

so its \[2r \sqrt{r}\]