Question

Simplify the expression:

2√75+ √20

8√5

2√5

10√5

12√5

Answer 1

It’s the second choice

Answer 2

10 sqrt(3) + 2 sqrt(5)

Explanation:

2√75+ √20

We know sqrt(a*b) = sqrt(a) sqrt(b)

2 sqrt(25*3) + sqrt(4*5)

2 sqrt(25)sqrt(3) + sqrt(4) sqrt(5)

2 * 5sqrt(3) + 2 sqrt(5)

10 sqrt(3) + 2 sqrt(5)