Simplifying Surds by Multiplication

What does it mean to simplify a surd?

What is the first rule for simplifying surds using multiplication?

How do you simplify sqrt(20) using the factors of 20?

What should one of the factors be when simplifying a surd?

Explain the process of simplifying a surd when multiplying two surds together.

How can you check if a surd is in its simplest form?

What happens when you multiply a surd by itself?