选择题
2019 AMC 8 Problem 20: Real Number Solutions
How many different real numbers x satisfy the equation (x² − 5)² = 16?
2019 AMC 8 第 20 题：实数解
有多少个不同的实数 x 满足方程 (x² − 5)² = 16
A.
0
B.
1
C.
2
D.
4
E.
8