(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
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(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
(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.