Question

(x-1)2=1
$(x - 1) 2 = 1$

Answer 1

Olá!!!

Resoluçao!!!

( x - 1 )² = 1

( x )² - 2 • x • 1 + 1² = 1

x² - 2x + 1 = 1

x² - 2x + 1 - 1 = 0

x² - 2x = 0

x • ( x - 2 ) = 0

x' = 0

x - 2 = 0

x' = 2

S = { 0, 2 }

Espero ter ajudado,,