Solve: x2−4>2\sqrt{x^2 - 4} > 2x2−4>2.
∣x∣>2|x| > 2∣x∣>2
∣x∣>8|x| > \sqrt{8}∣x∣>8
∣x∣>4|x| > 4∣x∣>4
x>2x > 2x>2