Question

Changing the subject to x:
what's x^2 + v = w ????

Answer 1

`x^(2) - v = w`

`x^(2) - v + v = -v + w`

`x^(2) = -v + w`

`\sqrt{x^(2)} = \±√(-v + w)`

`x = \±√(-v + w)`