Question

I need help with this As I am brand new to this, *please explain step by step in words and visuals on how to solve this

Answer 1

`4√(20)`

1. Find the prime factorization of 20:

2. Rewrite the expression as follow:

`4√(2*2*5)=4√(2^2*5)`

3. The square root of 2 squared is 2, simplify the expression as follow:

`\begin{gathered} =4*2*√(5) \\ \\ 4√(20)=8√(5) \end{gathered}`

Then, the given expression is equal to 8√5