1.Rozwiązaniem równania (1-x
- (2-x)=
+2
(1-x)²-(2-x)=x²+2
1-2x+x²-2+x=x²+2
x²-1-x=x²+2
-x=3
x=-3
(1-x)^2 -(2-x) = x^2 + 2
1-2x+x^2 -2x+x = x^2+2
-x = 2+2-1
-x = 3
x = -3
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(1-x)²-(2-x)=x²+2
1-2x+x²-2+x=x²+2
x²-1-x=x²+2
-x=3
x=-3
(1-x)^2 -(2-x) = x^2 + 2
1-2x+x^2 -2x+x = x^2+2
-x = 2+2-1
-x = 3
x = -3
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