Question

Which expression is equal to 420−−√−345−−√?




115√

−115√

5√

−5√

Answer 1

Step-by-step explanation:

4\sqrt{20} - 3\sqrt{45} = -\sqrt5

Answer 2

Answer:

$-\sqrt{5}$

I hope that this helps anyone in the future! I took the test and got a good grade thanks to the anwser above