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数学
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解方程:x(2x-1)=3(1-2x)
人气:367 ℃ 时间:2020-03-27 01:55:01
解答
x(2x-1)-3(1-2x)=0,
x(2x-1)+3(2x-1)=0,
∴(2x-1)(x+3)=0,
∴2x-1=0或x+3=0,
∴x
1
=
1
2
,x
2
=-3.
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