SOLUTION: Find all zeros of f(x)= x^3 + 7x - 22 and write a linear factorization of f(x).

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Question 378100: Find all zeros of f(x)= x^3 + 7x - 22 and write a linear factorization of f(x).
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
f%282%29+=+2%5E3+%2B+7%2A2+-+22+=+0. So x = 2 is a zero. Applying synthetic division the quotient is x%5E2+%2B+2x+%2B+11. The zeros of this are
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f%28x%29+=+%28x-2%29%28x+%2B1+-+sqrt%2810+%29i%29%28x+%2B+1+%2B+sqrt%2810+%29i%29.