Another Rack Up Your Posts With Random Stuff

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Ok, this is how you are suppose to do them.
One of them I got right:

f(x)=x^3+3x^2+6x-11

x=-5

1 3 6 -11
-5 10 -80
___________
1 -2 16 -91

-91 was the answer...
You take the first # down multiply it by x or -5...
1 multiplied by -5
-5 put it under the next number, add them, then do it over....till all the numbers are used.
pardon? xD
 

I knew this stuff at one time.

Gawd I need to freshen up my algebra skills.

I know how to do it I just keep getting the wrong answers?
My mom did it too after I showed her and got the same as me.
But it says the answers to the odd numbers in the back of the book and I have the wrong answers to 4 of them..
So I'm trying to figure out what I did wrong...
 
I used to have a really good formula for poly equations. My algebra teacher showed me....But yeah, it's not in my mind anymore.

I'm definitely gonna have to take some starter classes in college to freshen up my mind.
 
Ooh, I'm keeping that one for a LONG time. xD

D'ya guys see the little smiley guy in my tags? All I see is a red X.
 
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