Respuesta :
Answer:
just put
[tex]x = - 2[/tex]
[tex]f( x) = 3 {x}^{2} - 6x + 2[/tex]
[tex]f( - 2) = 3 {( - 2)}^{2} - 6( - 2) + 2 [/tex]
[tex]f( - 2) = 3 \times 4 + 6 \times 2 + 2 =12+12+2 \\ f(-2)= 26[/tex]
f(x) = 3x² - 6x + 2
f(- 2) = 3·(-2)² - 6·(-2) + 2
= 3·4 + 12 + 2
= 12 + 12 + 2
= 26
