Question

3√5+6√5 .. written in copy step by step explanation please answer it's very ☹️​

Answer 1

3√5 +6√5

(3+6)√5

9√5

9×2.236 (√5=2.236)

20.124

ans is 9√5 or 20.124

Answer 2

Answer:

$\boxed{\bf 9\sqrt{5}}$

Step-by-step explanation:

$=> 3\sqrt{5} +6\sqrt{5} \\\\ => \sqrt{5} (3+6) \\\\ =>\sqrt{5}(9) \\\\=>9\sqrt{5} \\\\ => 9(2.236) \\\\ =>20.124$