Respuesta:
Explicación paso a paso:
[tex]7 {x}^{2} + 5 = 7[/tex]
[tex]7 {x}^{2} = 7- 5[/tex]
[tex]7 {x}^{2} = 2[/tex]
[tex] {x}^{2} = \frac{2}{7} [/tex]
[tex]x = + - \sqrt{ \frac{2}{7} } [/tex]
[tex]x1 = \sqrt{ \frac{2}{7} } [/tex]
[tex]x2 = - \sqrt{ \frac{2}{7} } [/tex]
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Respuesta:
Explicación paso a paso:
por que 7×2 es 14 y 14 mas 5 son 19
Respuesta:
[tex]7 {x}^{2} + 5 = 7[/tex]
[tex]7 {x}^{2} = 7- 5[/tex]
[tex]7 {x}^{2} = 2[/tex]
[tex] {x}^{2} = \frac{2}{7} [/tex]
[tex]x = + - \sqrt{ \frac{2}{7} } [/tex]
[tex]x1 = \sqrt{ \frac{2}{7} } [/tex]
[tex]x2 = - \sqrt{ \frac{2}{7} } [/tex]