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1. Is x + 8 a factor of b(x) = x3 + 18x2 + 80x? Determine using synthetic division. Explain how you know it is or isn't.
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4 votes
1. Is x + 8 a factor of b(x) = x3 + 18x2 + 80x? Determine using synthetic

division. Explain how you know it is or isn't.

User Vak
by
3.3k points

1 Answer

6 votes

Answer:

If x+8 is a factor, divide by -8.

-8 1 18 80

-8 -80

_______________

1 10 0

It is a factor because there is no remainder.

Explanation:

User Qinyu
by
4.3k points
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