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luda_lava [24]
3 years ago
9

?????evauate?????????

Mathematics
2 answers:
miskamm [114]3 years ago
7 0

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

sergij07 [2.7K]3 years ago
4 0

Answer:

2

Step-by-step explanation:

{a}^{2}  + 7a + 8

Substitute

a =  - 6

in the above equation to get:

{( - 6)}^{2}  + 7( - 6) + 8

Simplify:

36  + ( - 42) + 8

36 - 42 + 8

- 6 + 8

2

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