Respuesta:
[tex]2 (x)^{2} - 18 = 0 ; 2(x)^{2} = 18 , x^{2} = 9 ; x = \sqrt{9} , x = 3[/tex]
x=±3
Explicación paso a paso:
[tex]2x {}^{2} - 18 = 0 \\ {2x}^{2} = 18 \\ {x}^{2} = \frac{18}{2} \\ {x}^{2} = 9 \\ x = \pm\sqrt{9} \\ \bold{ \ \boxed{x = \pm \: 3}}[/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Respuesta:
[tex]2 (x)^{2} - 18 = 0 ; 2(x)^{2} = 18 , x^{2} = 9 ; x = \sqrt{9} , x = 3[/tex]
Verified answer
Respuesta:
x=±3
Explicación paso a paso:
[tex]2x {}^{2} - 18 = 0 \\ {2x}^{2} = 18 \\ {x}^{2} = \frac{18}{2} \\ {x}^{2} = 9 \\ x = \pm\sqrt{9} \\ \bold{ \ \boxed{x = \pm \: 3}}[/tex]