I'm realy stuck to the attached question I know how to do synthetic and long division, and that the remainder is just the value of the function after plugging in x.

help would be greatly appreciated. thanks.

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- July 2nd 2012, 07:17 PMwaleedrabbaniFactor theorem to find variable
I'm realy stuck to the attached question I know how to do synthetic and long division, and that the remainder is just the value of the function after plugging in x.

help would be greatly appreciated. thanks. - July 2nd 2012, 07:31 PMrichard1234Re: Factor theorem to find variable
The remainder of is , or

The remainder of is , or

4-2k is twice that of 20+k, so .