Question

How do you simplify `( 3 sqrt 5) ( 2 sqrt 10 )`?

Answer 1

`30sqrt2`

Explanation:

Multiply the whole numbers together and multiply the sued numbers together

`(3sqrt5)(2sqrt10)=6sqrt50`

`sqrt50=sqrt25xxsqrt2=5sqrt2`

So `6sqrt50=6xx5sqrt2=30sqrt2`