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x+2=3
x=3-2
x=1
2x-1 3
2x 3-1
2x 2 |:2
x 1
(x-2)(x+2)=(x-1)^{2}
x^{2}-4=x^{2}-2x+1
2x=3 x=1
x+2 = 3 //-2
x = 1
(2x-1) ≥ 3
2x - 1 ≥ 3
2x ≥ 4
x ≥ 2
(x-2)(x+2) = (x-1)(x-1) //: (x-1)(x-1)
(x-2)(x+2) / (x-1)(x-1) = 1 // -1
(x-2)(x+2) / (x-1)²- 1 = 0
x²-4 / x²-2x+1 -1 = 0
x²-4 / x²-2x+1 - x²-2x+1/x²-2x+1 = 0
x²-4-(x²-2x+1) / x²-2x+1 = 0
x²-4-x²+2x-1 / x²-2x+1 = 0
2x - 5 / x²-2x+1 = 0
2x - 5 = 0
2x = 5
x = 2.5