SOLUTION: Find all real zeros of the function. f(x)=x^4-2x^3-8x^2+8x+16

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Question 426949: Find all real zeros of the function.
f(x)=x^4-2x^3-8x^2+8x+16
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!

The real zeroes of x%5E2+-+2x+-+4+ are .
The other two real zeroes are 2, -2.