Question

x²-2x=-1 me ajudem pfv

Answer 1

x² - 2x = - 1
x² - 2x + 1 = 0
∆ = - 2² - 4 . 1 . 1
∆ = 4 - 4
∆ = 0
x = - (- 2) ± √0 / 2
x = 2/2
x = 1

Answer 2

x² - 2x = - 1

x² - 2x + 1 = 0

x = 1 + -√1 - 1

x' = x" =  1   Resposta