Respuesta :

Step-by-step explanation:

1 ) x = 2

[tex] = 2 {x}^{2} - 5[/tex]

[tex] = 2 \times (2 {)}^{2} - 5[/tex]

[tex] = 2 \times 4 - 5[/tex]

[tex] = 8 - 5[/tex]

[tex] = 3[/tex]

.....

2 ) x = 3

[tex] = 2 {x}^{2} - 5[/tex]

[tex] = 2 \times (3 {)}^{2} - 5[/tex]

[tex] = 2 \times 9 - 5[/tex]

[tex] = 18 - 5[/tex]

[tex] = 13[/tex]

.......

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