(x+1)²-3x(x+1)=0
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(x+1)²-3x(x+1)=0(x+1)²-3x(x+1)=0(x+1)²-3x(x+1)=0(x+1)²-3x(x+1)=0(x+1)(x+1-3x)(x+
(x+1)²-3x(x+1)=0
(x+1)²-3x(x+1)=0
(x+1)²-3x(x+1)=0
(x+1)²-3x(x+1)=0
(x+1)(x+1-3x)
(x+1)(-2x+1)=0
x1=-1 x2=1/2
(x+1)²-3x(x+1)=0
(x+1)(x+1-3x)=0
(x+1)(1-2x)=0
x1=-1, x2=1/2