Question

X2-2x+1=0
Resolva usando a fórmula de bhascara

Answer 1

x² - 2x + 1 = 0
∆ = -2² - 4•1•1
∆ = 4 - 4
∆ = 0

2 ± 0 / 2
x1 = 1
x2 = 1