Question

How do i change this?

-2

Answer 1

\[-2\div \sqrt{5} = (-2\sqrt{5})\div5\]

Answer 2

I don't understand how that is equal.

Answer 3

multiplying numerator and denominator by \(\sqrt5\)
\(\sqrt5\)\(\sqrt5=5\)

Answer 4

Do you have to multiple -2 too, if not, why?

Answer 5

-2 remains as -2, from first step to last answer.....

Answer 6

\(\huge \frac{-2\sqrt5}{\sqrt5\sqrt5}=\frac{-2\sqrt5}{5}\)

Answer 7

Oh my bad, ty, saw it wrong.

Answer 8

no problem...