cocopuffs1377 cocopuffs1377

01-07-2017
Mathematics

contestada

Find all complex solutions for the equation x2 = 4x - 29.
a.{-2, 2i}
b.{-5i, 5i}
c.{2 - 5i, 2 + 5i}
d.{7 - 5i, 7 + 5i}

Respuesta :

konrad509 konrad509

01-07-2017

[tex] x^2 = 4x - 29\\ x^2-4x=-29\\ x^2-4x+4=-25\\ (x-2)^2=-25\\ x-2=-\sqrt{-25} \vee x-2=\sqrt{-25}\\ x=2-5i \vee x=2+5i[/tex]

Answer Link

casareslesly70 casareslesly70

29-04-2020

Answer:

c

Step-by-step explanation:

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