4(x-3)^2=(x-1)^2因式分解
1个回答
2016-09-16
展开全部
4(x-3)^2=(x-1)^2
(2x-6)^2=(x-1)^2
(2x-6)^2-(x-1)^2 = 0
( 2x-6+x-1)(2x-6-x+1) = 0
(3x-7)(x-5) = 0
x1=7/3,x2=5
(2x-6)^2=(x-1)^2
(2x-6)^2-(x-1)^2 = 0
( 2x-6+x-1)(2x-6-x+1) = 0
(3x-7)(x-5) = 0
x1=7/3,x2=5
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