Question

x3 – x2 + 5x – 5 = 0 (1 point)

Answer 1

Answer Choices
i sqrt 5, -i sqrt 5, 1
i sqrt 5, -i sqrt 5, -1
sqrt 5, - sqrt 5, -1
i sqrt 5, 1

Answer 2

x^3 - x^2 + 5x - 5 = 0
x^2(x - 1) + 5(x - 1) = 0
(x - 1)(x^2 + 5) = 0

x - 1 = 0
x^2 + 5 = 0

x = 1
x^2 = -5
x = ± √(-5)
x = ± √(5)i

Answer 3

Thank You ! :D