Question

the value of sqrt (20)-sqrt(225)+sqrt(80)

Answer 1

Answer:

$3 \sqrt{5}$

Step-by-step explanation:

$\sqrt{20} - \sqrt{225} + \sqrt{80} \\ 2 \sqrt{5} - 3 \sqrt{5} + 4 \sqrt{5} \\ \sqrt{5} (2 - 3 + 4) = 3 \sqrt{5}$

Answer 2

Answer:

-1.5835=sqrt(20)-sqrt(225)+sqrt(80)