Posted by B8 on Friday, September 27, 2013 at 10:09pm.
The question is
(2x+1)^22(2x^21) in simplest form
Is this correct?
[(2x+1)(2x+1)](4x^2+2)
4x^2+2x+2x+1(4x^2+2)
4x^2+4x+1(4x^2+2)
16x^416x^34x^2
+ 8x^2+8x+2
_________________________
16^416x^3+4x^2+8x +2
Did I do this correctly?
Thank you for your help.

math  Reiny, Friday, September 27, 2013 at 10:48pm
the way you typed it , I saw a subraction
(2x+1)^2  2(2x^21)
= 4x^2 + 4x + 1  4x^2 + 2
= 4x + 3
You did
((2x+1)^2 )(2)(2x^21)

math  B8, Saturday, September 28, 2013 at 10:59am
Ok, I see my mistake. Thanks for explaining what I did incorrectly.
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