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Diferencia de cuadrados
[X-2 -(3-x)][x-2 +(3 - x) = 1
(X - 2 - 3 + x) (x - 2 +3 - x) =1
(2X - 5)( - 1) = 1
-2X +5 = 1
5+1= 2X
2X = 6
X = 6/2
X = 3
Ahi esta la respuesta es 3
Me pones mejor respuesta porfis ^_^