Respuesta :

Answer:

[tex]b - {5b}^{9} - 8[/tex]

Step-by-step explanation:

1) Use product rule.

[tex]b - 5b ^{8 + 1} - 8[/tex]

2) Simplify 8 + 1 to 9.

[tex]b - {5b}^{9} - 8[/tex]

Therefor, the answer is b - 5b⁹ - 8.

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