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elect the correct answer. What are the solutions of this quadratic equation?
x2 + 2x = -2
A. x = 1 ± i
B. x = -1 ± i
C. x = 0
D. x = ± i

Respuesta :

wolf1728

Answer:

Rewrite equation as:

x^2 + 2x +2 =0

a = 1 b = 2 c = 2

x = (-b +- sqr root (b^2 -4ac)) / 2a

x = (-2 +- sqr root (2^2 - 4*1*2) ) / 2

x = (-2 +- sqr root (4  - 8) ) / 2

x = (-2 + sqr root (-4) ) / 2

x = -1 +- i

Step-by-step explanation:

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