Posted by CheezyReezy on Wednesday, June 1, 2011 at 10:01pm.
List all possible (or potential) rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely over the real numbers. Please show all of your work.
f(x) = x^4  7x^3 3x^2 + 19x + 14
Help

Math  potential zero  Reiny, Wednesday, June 1, 2011 at 11:14pm
trying a few factors of 14, I found
f(1) = 0 and f(2) = 0
so after 2 consecutive synthetic divisions, that left me with
(x+1)(x2)((x^2  6x  7)
= (x+1)(x2)(x+1)(x7)
so we have a double zero at x=1
and two more zeros at 2 and 7

Check your previous post before reposting  Reiny, Wednesday, June 1, 2011 at 11:25pm
I just wasted my valuable time doing the above question before noticing that your same question had already been answered.
Do not repost the same question without checking if it has been answered.
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