x = 1 is an extraneous root that results from squaring both sides of the equation. While it satisfies the resulting quadratic, it does not satisfy the original equation, and so it is discarded as extraneous.
x = 1 is an extraneous root that results from squaring both sides of the equation. While it satisfies the resulting quadratic, it does not satisfy the original equation, and so it is discarded as extraneous.