Solve ∣x2−1∣=3|x^2 - 1| = 3∣x2−1∣=3.
x=±2x = \pm 2x=±2
x=±2,x=±−2x = \pm 2, x = \pm \sqrt{-2}x=±2,x=±−2
x=2x = 2x=2
No real solutions