diannedennison1890 diannedennison1890
  • 15-10-2019
  • Mathematics
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Factor the expression over the complex numbers x^2 + 18

Respuesta :

mberisso
mberisso mberisso
  • 15-10-2019

Answer:

[tex]x=3i*\sqrt{2} \\x=-3i*\sqrt{2}[/tex]

Step-by-step explanation:

Solve the associated quadratic equation to find its solutions:

[tex]x^2+18=0\\x^2=-18\\x=+/-\sqrt{-18} \\x=+/-\sqrt{-1} *\sqrt{2*9} \\\\x=+/-i *\sqrt{2} *\sqrt{9}  \\\\x=+/-3i*\sqrt{2}[/tex]

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