(x - 1)²
1 - 2 x + x²..........
Respuesta:
[tex](x - 1) {}^{2} = [/tex]
[tex](x - 1)(x - 1) = [/tex]
[tex]x(x - 1) - 1(x - 1) = [/tex]
[tex] {x}^{2} - x - x + 1 = [/tex]
[tex] \boxed{{x}^{2} - 2x + 1}[/tex]
Espero te sirva :)
