赞 youzc2001 幼苗
共回答了15个问题采纳率：80% 举报
4(2x-1)^2-25=0
(4x-2)^2-25=0
(4x-2+5)(4x-2-5)=0
(4x+3)(4x-7)=0
x=-3/4,x=7/4
(1-3x)^2-4(2x+3)^2=0
(3x-1)^2-(4x+6)^2=0
(3x-1+4x+6)(3x-1-4x-6)=0
-(7x+5)(x+7)=0
x=-5/7,x=-7 4(2x-1)^2-25=0
(4x-2)^2-25=0
(4x-2+5)(4x-2-5)=0
(4x+3)(4x-7)=0
x=-3/4,x=7/4
(1-3x)^2-4(2x+3)^2=0
(3x-1)^2-(4x+6)^2=0
(3x-1+4x+6)(3x-1-4x-6)=0
-(7x+5)(x+7)=0
x=-5/7,x=-7
(4x-2)^2-25=0
(4x-2+5)(4x-2-5)=0
(4x+3)(4x-7)=0
x=-3/4,x=7/4
(1-3x)^2-4(2x+3)^2=0
(3x-1)^2-(4x+6)^2=0
(3x-1+4x+6)(3x-1-4x-6)=0
-(7x+5)(x+7)=0
x=-5/7,x=-7 4(2x-1)^2-25=0
(4x-2)^2-25=0
(4x-2+5)(4x-2-5)=0
(4x+3)(4x-7)=0
x=-3/4,x=7/4
(1-3x)^2-4(2x+3)^2=0
(3x-1)^2-(4x+6)^2=0
(3x-1+4x+6)(3x-1-4x-6)=0
-(7x+5)(x+7)=0
x=-5/7,x=-7
1年前
5
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