Question

How do you solve `(32 + sqrt 80) / 4`?

Answer 1

`8+sqrt5`

Explanation:

`(32+sqrt80)/4=`

`(32+sqrt(16*5))/4=`

`(32+4sqrt(5))/4=`

Split the numerator:

`32/4+(4sqrt5)/4=`

`8+sqrt5`