Question

simplify:
$1. \sqrt{5} + \sqrt{20} + \sqrt{45}$
please answer it step by step
please....​

Answer 1

Answer: 6$\sqrt{5}$ = 13.416407865

Step-by-step explanation:

Answer 2

$\sqrt{5} + \sqrt{20} + \sqrt{45}$

$= \sqrt{5} + \sqrt{2 \times 2 \times 5} + \sqrt{3 \times 3 \times 5}$

$= \sqrt{5} + 2 \sqrt{5} + 3 \sqrt{5}$

$= 2 \times 3 \sqrt{5}$

$= 6 \sqrt{5}$