SOLUTION: I'm working on a problem and it says find one factor of the polynomial...the problem is 8z^3+1 I got the answer (2x+1)(4z^2=2z+1) Is this correct? The answer choices are: 2z^2+

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I'm working on a problem and it says find one factor of the polynomial...the problem is 8z^3+1 I got the answer (2x+1)(4z^2=2z+1) Is this correct? The answer choices are: 2z^2+      Log On


   

Question 178738This question is from textbook College Algebra
: I'm working on a problem and it says find one factor of the polynomial...the problem is 8z^3+1
I got the answer (2x+1)(4z^2=2z+1) Is this correct?
The answer choices are: 2z^2+2z+1 2z^2-4z+1 4z^2+4z+1 4z^2-2z+1
I think its the last choice but i'm just not sure This question is from textbook College Algebra

Found 2 solutions by Mathtut, stanbon:
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
yep the last one 4z%5E2-2z%2B1
:
so %282z%2B1%29%284z%5E2-2z%2B1%29

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
8z^3+1
I got the answer (2x+1)(4z^2=2z+1) Is this correct?
-------------------
almost
You need -2z as the 2nd term because:
(a^3+b^3) = (a+b)(a^2 - ab + b^2)
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Cheers,
Stan H.