Question

How do you simplify `(sqrt50 sqrt(-72)) - (sqrt162 - sqrt(-8))`?

Answer 1

`=-60-7sqrt2`

Explanation:

`(sqrt50sqrt(-72)-(sqrt162-sqrt(-8))`
`=sqrt((25)(2)) sqrt(-(36)(2))-sqrt((81)(2))+sqrt(-(4)(2))`
`=-(5sqrt2)(6sqrt2)-(9sqrt2)+(2sqrt2)`
`=-(30)(2)-7sqrt(2)`
`=-60-7sqrt2`