Question

How do you simplify `-3sqrt(7r^3)*6sqrt(7r^2)`?

Answer 1

`=-126r^2sqrtr`

Explanation:

You can combine the two square roots into one because they are being multiplied.

`-3sqrt(7r^3) xx 6sqrt(7r^2)`

`= -18sqrt(7^2r^5)`

`=-18 xx 7r^2sqrtr`

`=-126r^2sqrtr`