Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula r=0 Evaluate r2−12r2×0=0Simplify More Steps Evaluate r2−12r2×0Any expression multiplied by 0 equals 0 r2−0Removing 0 doesn't change the value,so remove it from the expression r2 r2=0Solution r=0 Show Solution Rewrite the equation x2+y2=0 Evaluate r2−12r2×0=0Evaluate More Steps Evaluate r2−12r2×0Any expression multiplied by 0 equals 0 r2−0Removing 0 doesn't change the value,so remove it from the expression r2 r2=0Solution x2+y2=0 Show Solution Graph