先展开,再移项合并最终成为一元二次方程.
(x - 2)² = (2x + 3)²
x² - 4x + 4 = 4x² + 12x + 9
3x² + 16x + 5 = 0
(3x+1)(x+5) = 0
因此x = -5或x = -(1/3)