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August 22, 2014

August 22, 2014

Posted by **anon** on Saturday, December 10, 2011 at 10:14pm.

f(x) = 2x^5 + 6x^4 - x^2 - 7x - 12

- pre calculus -
**Reiny**, Saturday, December 10, 2011 at 11:11pmf(2) = 2(32) + 6(16) - 4 - 14 - 12 = 130

so c-2 is not a factor

by synthetic division, (hard to show in this format)

2 | 2 6 0 -1 -7 -12

....-------------

........4 20 40 78 142

....210 20 39 71 130

I guess I should have done the division first

- pre calculus -
**anon**, Sunday, December 11, 2011 at 1:05pmThank you!

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