solve the equation: x^{4}+x^{3}+x^{2}+x+1=0 this is what i did: \frac{x^{5}-1}{x-1}=0 .: x^{5}-1=0 excluding x=1 x = cis 2kpi/5 therefore x = cis +/- 2pi/5 cis +/- 4pi/5 is this correct and is there any other way of solving the question