I know this is impossible, but why is the following not possible:
$y + x = 3$ is the same as $y^2 + x^2 = 9$
They're meant to be equivalent.
I know this is impossible, but why is the following not possible:
$y + x = 3$ is the same as $y^2 + x^2 = 9$
They're meant to be equivalent.