Question

What is the square root of 50 + the square root of 8?

Answer 1

`sqrt50+sqrt8=sqrt(25*2)+sqrt(4*2)`
`=sqrt25sqrt2+sqrt4*sqrt2=5sqrt2+2sqrt3=7sqrt2`.

Note `sqrt50` is also = `sqrt(5*10)` but I don't know either of those square roots, so: although it's true, it's not helpful.