(1) x²+x-6=0 (2)x²-√3x-1/4=0 (3)3x²-6-2=0 (4)4x²-6x=0 (5)x²+4x+8=4x+11 (6)x(2x-4x)=5-8x

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/30 05:45:53
(1) x²+x-6=0 (2)x²-√3x-1/4=0 (3)3x²-6-2=0 (4)4x²-6x=0 (5)x²+4x+8=4x+11 (6)x(2x-4x)=5-8x
x){N 5eCs k ]3[P*cq D(e 35EMAS)&@$cSk;mMu-*l$YTq~͠ , CM mcM ]#M[G[*luuL5}P<Ʀg v>m]tOu VF@kf2ևa 󾭱X LYg>d2'{

(1) x²+x-6=0 (2)x²-√3x-1/4=0 (3)3x²-6-2=0 (4)4x²-6x=0 (5)x²+4x+8=4x+11 (6)x(2x-4x)=5-8x
(1) x²+x-6=0 (2)x²-√3x-1/4=0 (3)3x²-6-2=0
(4)4x²-6x=0 (5)x²+4x+8=4x+11 (6)x(2x-4x)=5-8x

(1) x²+x-6=0 (2)x²-√3x-1/4=0 (3)3x²-6-2=0 (4)4x²-6x=0 (5)x²+4x+8=4x+11 (6)x(2x-4x)=5-8x
(1) (x+3)(x-2)=0,∴x=-3或x=2
(2)(3)用求根公式计算
(4)2x(2x-3)=0,∴x=0或x=3/2
(5) x²=3.∴x=±根号3
(6)我没有书,你的题是否输错了.