Respuesta :

sqdancefan

Answer:

-57

Step-by-step explanation:

We can collect terms to simplify the arithmetic.

... = a^3(6 +4 -8) +a^10(-1 +1) +a

... = 2a^3 +a

... = a(2a^2 +1)

For a = -3, this is

... -3(2(-3)² +1) = -3(2·9 +1)

... = -3·19 = -57

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