Question

How do you simplify `sqrt140`?

Answer 1

`sqrt(140)=2sqrt(35)`

Explanation:

`sqrt(140) = sqrt(2xx2xx5xx7)`
`color(white)("XXX")=sqrt(2^2xx5xx7)`
`color(white)("XXX")=sqrt(2^2)*sqrt(5xx7)`
`color(white)("XXX")=2sqrt(35)`