Respuesta:
[tex]x {}^{2} \: + 5 = 30 \\ x {}^{2} \: = 30 - 5 \\ x {}^{2} \: = 25 \\ x = + 5 \\ x = - 5 \\ x = 5 \\ x1 = - 5.x2 = 5[/tex]
[tex]x {}^{2} \: + 27 = 31 \\ x {}^{2} \: = 31 - 27 \\ x {}^{2} \: = 4 \\ x = + 4 \\ x = - 2 \\ x = 2 \\ x1 = - 2 \times { }^{2} \: = 2[/tex]
así me salió espero haberte ayudado
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Respuesta:
[tex]x {}^{2} \: + 5 = 30 \\ x {}^{2} \: = 30 - 5 \\ x {}^{2} \: = 25 \\ x = + 5 \\ x = - 5 \\ x = 5 \\ x1 = - 5.x2 = 5[/tex]
[tex]x {}^{2} \: + 27 = 31 \\ x {}^{2} \: = 31 - 27 \\ x {}^{2} \: = 4 \\ x = + 4 \\ x = - 2 \\ x = 2 \\ x1 = - 2 \times { }^{2} \: = 2[/tex]
así me salió espero haberte ayudado