Question
Asked Oct 17, 2019
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Gives that f(x) 5x^3-54x^2+170x-104. And that 5+i is a zero, factor f(x) completely.

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Expert Answer

Step 1

If 5+i is a zero then (5-i) is also a zero.

Step 2

Factors of f(x) are (x-5-i) and (x-5+i).

So...

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Image Transcriptionclose

(x-5+i)(x-5-i) =(x-5)2-i x2-10x+25-(-1) =x2-10x+26 2 =X

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