Answer
$-7\sqrt{5}-5\sqrt{13}$
Work Step by Step
The given expression is
$=\sqrt{5}-5\sqrt{13}-8\sqrt{5}$
Use commutative property of addition.
$=\sqrt{5}-8\sqrt{5}-5\sqrt{13}$
Use distributive property.
$=(1-8)\sqrt{5}-5\sqrt{13}$
Subtract.
$=-7\sqrt{5}-5\sqrt{13}$
