If(x)I=Ig(x)I
f(x)= ±g(x)
1) x²-x=2x-2
x²-3x+2=0
D= 9-8=1
x1= (3+1)/2= 2
x2= (3-1)/2= 1
2) x²-x= -2x+2
x²+x-2=0
D= 1+8=9
x3= (-1+3)/2= 1
x4= (-1-3)/2= -2
Ответ: x1= 2, x2= 1, x3= -2
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If(x)I=Ig(x)I
f(x)= ±g(x)
1) x²-x=2x-2
x²-3x+2=0
D= 9-8=1
x1= (3+1)/2= 2
x2= (3-1)/2= 1
2) x²-x= -2x+2
x²+x-2=0
D= 1+8=9
x3= (-1+3)/2= 1
x4= (-1-3)/2= -2
Ответ: x1= 2, x2= 1, x3= -2