问题
解答题
(1)解方程:(x-2)2=3(x-2); (2)化简:
|
答案
(1)(x-2)2-3(x-2)=0,
(x-2)(x-5)=0,
x1=2,x2=5.
(2)原式=
×3
-1-13 2
=
-23 2
=-
.1 2
(1)解方程:(x-2)2=3(x-2); (2)化简:
|
(1)(x-2)2-3(x-2)=0,
(x-2)(x-5)=0,
x1=2,x2=5.
(2)原式=
×3
-1-13 2
=
-23 2
=-
.1 2