SOLUTION: When working on finding the zeros on f(x)=x(x2-8x-2) how do I even start? I"m very lost. I have look at the examples given in my text book, but can't make sense of it.

SOLUTION: When working on finding the zeros on f(x)=x(x2-8x-2) how do I even start? I"m very lost. I have look at the examples given in my text book, but can't make sense of it.

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Question 305990: When working on finding the zeros on f(x)=x(x2-8x-2) how do I even start? I"m very lost. I have look at the examples given in my text book, but can't make sense of it.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

What values of make ?
One solution is obviously
because
Then find the zeros of

I'll solve by completing the square

It looks like the zeros are:

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