Question

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

Answer 1

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$\begin{gathered} ques. = > \sqrt{5} + \sqrt{20} + \sqrt{45} \\ \\ solution = > \sqrt{5} + \sqrt{20} + \sqrt{45} \\ \\ = > \sqrt{5} + \sqrt{2 \times 2 \times 5} + \sqrt{3 \times 3 \times 5} \\ \\ = > \sqrt{5} + 2 \sqrt{5} + 3 \sqrt{5} \\ \\ = > 2 \times 3 \: \sqrt{5} \\ \\ = > 6 \sqrt{5} < = = = = answer\end{gathered}$

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Answer 2

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

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

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

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

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