Express in simplest radical form.

-5√5 - 4√5

To express -5√5 - 4√5 in simplest radical form, we can combine the like terms:

-5√5 - 4√5 = (-5-4)√5 = -9√5

So, the expression in simplest radical form is -9√5.

To express -5√5 - 4√5 in the simplest radical form, we can combine like terms. In this case, both terms have a coefficient of √5. Thus, we can combine them:

-5√5 - 4√5 = (-5 - 4)√5 = -9√5

Therefore, -5√5 - 4√5 simplified to -9√5.

To express the expression -5√5 - 4√5 in simplest radical form, we can combine the like terms:

(-5√5) - (4√5) = (-5-4)√5 = -9√5

Therefore, the expression -5√5 - 4√5 simplified to -9√5 in simplest radical form.