|x²+5x+6|-2=0
|x²+5x+6|=2
x²+5x+6=2
x²+5x+6-2=0
x²+5x+4=0
D=b²-4ac= 25-16=9, D>0
x=-5±3/2
x1=-4
x2=-1
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|x²+5x+6|-2=0
|x²+5x+6|=2
x²+5x+6=2
x²+5x+6-2=0
x²+5x+4=0
D=b²-4ac= 25-16=9, D>0
x=-5±3/2
x1=-4
x2=-1