Помогитееееее!!!! Пожалуйста))) 4√20 + 2/3√45 - 2√125 = ???

Question

Помогитееееее!!!! Пожалуйста)))
4√20 + 2/3√45 - 2√125 = ???

Answer 1

4sqrt20 = 8sqrt5
2/3sqrt45 = 2sqrt5
2sqrt125 = 10sqrt5
8sqrt5 + 2sqrt5 - 10sqrt5 = 0

Answer 2

4sqrt20=8sqrt5
2/3sqrt45=2sqrt5
2sqrt125=10sqrt5
8sqrt5+2sqrt5-10sqrt5=10sqrt5-10sqrt5=0