(x-2)(x-3)=12这道题怎么用分解因式法解_数学解答

(x-2)(x-3)=12这道题怎么用分解因式法解

人气：133 ℃　时间：2020-02-05 07:24:21

解答

(x-2)(x-3) = 12
x² - 5x + 6 = 12
x² - 5x - 6 = 0
(x + 1)(x - 6) = 0
x = 6 或 x = -1