SOLUTION: What am I suppose to do with this? Please help me understand the steps of this? Factor completely or state that it is “Prime”: a. Z4 –16 b. X2 + 1

Algebra.Com
Question 49991: What am I suppose to do with this? Please help me understand the steps of this?
Factor completely or state that it is “Prime”:

a. Z4 –16
b. X2 + 1

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
a. Z^4 –16
=(Z^2+4)(Z^2-4)
=(Z^2+4)(Z-2)(Z+2)
---------------------

b. X2 + 1
Prime unless you know complex numbers.
Cheers,
Stan H.

RELATED QUESTIONS

factor completely : 2x^2 - 4xy + 8xy - 16y^2. One factor is ...? I do not understand... (answered by ankor@dixie-net.com)
I am having difficulty with this problem could you please help? Factor each... (answered by tutorcecilia)
#24.Factor completely. If a polynomial is prime, state this. 9 + 8t^2 − 18t (answered by Earlsdon)
This is my problem below. I do not understand much of anything that is going on. At... (answered by rothauserc)
Factor completely, if the polynomial is prime, state this. 25a^a-23a-2. I do not... (answered by solver91311)
Can you please help me with this problem? 25x^2-4/49 factor out completely or state... (answered by stanbon)
Rewrite the middle term as the sum of two terms and then factor completely: 15x^2 +... (answered by checkley75)
Hi Everyone, I am supposed to factor the following polynomials completely: (a)... (answered by josmiceli)
I am having trouble with factoring and solving. Please help. I will greatly appreciate... (answered by Edwin McCravy,AnlytcPhil)