(3x-1)²+1-3x=6 4x²-6x-4=0 a²-4a-7=0 x²+4x-2=0
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![(3x-1)²+1-3x=6 4x²-6x-4=0 a²-4a-7=0 x²+4x-2=0](/uploads/image/z/660150-54-0.jpg?t=%EF%BC%883x-1%EF%BC%89%26%23178%3B%2B1-3x%3D6+4x%26%23178%3B-6x-4%3D0+a%26%23178%3B-4a-7%3D0+x%26%23178%3B%2B4x-2%3D0)
(3x-1)²+1-3x=6 4x²-6x-4=0 a²-4a-7=0 x²+4x-2=0
(3x-1)²+1-3x=6 4x²-6x-4=0 a²-4a-7=0 x²+4x-2=0
(3x-1)²+1-3x=6 4x²-6x-4=0 a²-4a-7=0 x²+4x-2=0
(3x-1)²+1-3x=6
(3x-1)²-(3x-1)-6=0
(3x-1-3)(3x-1+2)=0
x=4/3 x=-1/3
4x²-6x-4=0
2x²-3x-2=0
(2x+1)(x-2)=0
x=-1/2 x=2
a²-4a-7=0
a²-4a+4=11
(a-2)²=11
a=2+√11 a=2-√11
x²+4x-2=0
x²+4x+4=6
(x+2)²=6
x=-2+√6 x=-2-√6