Question

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

Answer 1

25+40+90=155 Is The Answer

Answer 2

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

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

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

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

$6 \sqrt{5} \: is \: your \: answer$