Question

How do you simplify `3sqrt50 + 5sqrt80`?

Answer 1

`3sqrt50+5sqrt80=15sqrt2+20sqrt5`

Explanation:

`3sqrt50+5sqrt80`

= `3xxsqrt(ul(5xx5)xx2)+5xxsqrt(ul(2xx2)xxul(2xx2)xx5)`

= `3xx5xxsqrt2+5xx2xx2xxsqrt5`

= `15sqrt2+20sqrt5`