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解方程;(x-2分之x)平方-5(x-2分之x)+6=0
人气:329 ℃ 时间:2020-03-23 00:58:03
解答
(x - x / 2)² - 5(x - x / 2) + 6 = 0(x - x / 2)² +(- 2 - 3)(x - x / 2)+ (-2)× (- 3)= 0【(x - x / 2)- 2 】【(x - x / 2) - 3 】= 0(x - x / 2 - 2)(x - x / 2 - 3)= 0(x / 2...
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