Question

a. x - 1 = (x + 1)(x - 1)​

Answer 1

Respuesta:

a. x - 1 = (x + 1)(x - 1)=  

x1=0    x2=1

Explicación paso a paso:

x -1 = x∧2 -1

x = x∧2

x - x∧2 = 0

x (1 - x) = 0

x = 0

x = 1