Question

simplify 3 sqrt 20 divded by sqrt 5

Answer 1

2 √20 ÷ √5                      Multiply both sides by √5 ÷ √5
(3 √20 * √5) ÷ 5            √20 simplifies to 2√5
(3 * 2√5 * √5) ÷ 5            √5 times √5 = 5
(3* 2 * 5) ÷ 5                   the 5 in the numerator/denominator cancel out
3 * 2 
6