Respuesta :

Answer:

2

Step-by-step explanation:

Substitute a = - 6 into the expression, that is

a² + 7a + 8

= (- 6)² + 7(- 6) + 8 = 36 - 42 + 8 = - 6 + 8 = 2

Estellia

Answer:

2

Step-by-step explanation:

[tex] {a}^{2} + 7a + 8[/tex]

Substitute

[tex]a = - 6[/tex]

in the above equation to get:

[tex] {( - 6)}^{2} + 7( - 6) + 8[/tex]

Simplify:

[tex]36 + ( - 42) + 8[/tex]

[tex]36 - 42 + 8[/tex]

[tex] - 6 + 8[/tex]

[tex]2[/tex]