What is the solution set to the equation 4+x^2=2x^2-5 ? × \{x:x=3\} × \{x:x=-3\} ✓ \{x:x=\pm3\} × \{x:x=-1\} × \{x:x=1\} Collected in the board: Algebraic equation Steven Zheng posted 2 months ago
