SOLUTION: Divide 10^2 + 5x + 9 by 2x + 1 Not sure how to solve.

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Question 1189453: Divide 10^2 + 5x + 9 by 2x + 1
Not sure how to solve.
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
Divide 10^2 + 5x + 9 by 2x + 1
Not sure how to solve.
~~~~~~~~~~~~~


Not sure whether this post is written correctly.


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In his post, @josgarithmetic solved TOTALLY DIFFERENT problem, distinct from the posted,

and did it without any announcements / explanations / justifications . . .



Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
----------------------------------
Divide 10^2 + 5x + 9 by 2x + 1
----------------------------------
(I assume you accidently omitted the "x" in the first term of the dividend so you want it as 10x^2+5x+9 ). 

Using polynomial long division


           5x       0x
      ___________________________
2x+1  |   10x^2    +5x     +9
          10x^2    +5x
          -------------
            0        0x    9
                     0x    0
                     ---------
                           9

ANSWER: 5x%2B9%2F%282x%2B11%29