4 √(5) (3 √(5) + 8 √(2) )how do u do this

Question

`4 √(5) (3 √(5) + 8 √(2) )`how do u do this

Answer 1

we have

`4√(5)(3√(5)+8√(2))`

Apply distributive property

`4√(5)(3√(5))+4\sqrt[]{5}(8√(2))`
`12\sqrt[]{25}+32\sqrt[]{10}`

simplify

`\begin{gathered} 12(5)+32\sqrt[]{10} \\ 60+32\sqrt[]{10} \end{gathered}`