Question

resultado da expressao √20-√80

Answer 1

√20-√80
√20=
20:2
10:2
5:5
1
√2².√5
√4.√5
2.√5
2√5 #
=====================
√80=
80:2
40:2
20:2
10:2
5:5
1
√2^4.√5
2².√5
4√5
2√5-4√5
(2-4)√5
(-2)√5 =>
-2√5 #