Question

Why does -1/4=-1/x^2 come out as x^2=4? What steps conclude this giving x=2,-2?

Answer 1

\[-1/4=-1/x^2 \]
\[-x^2 = -4\]
\[x^2 = 4\]
\[x = \sqrt{4}\]
\[x = - 2 or x=\]