Find all roots of `X^(5)-1=0.`

Find all the roots of x^(3)-1=0 . Show that if omega is a complex root of this equation, the other complex root is omega^(2) and 1+omega+omega^(2)=0.

Find all the roots of x^4 - 81 =0

Find the roots of 3x^(2)-5x+2=0

Find the roots x^(2)+5x-1=0

Find the roots of x^2+2x+5=0 .

Find the roots of 3x^(2) - 5x - 12 = 0 .

Find the roots of 3x^(2) - 5x - 12 = 0 .

Find all roots of the equation x^(6)-x^(5)+x^(4)-x^(2)+x-1=0.

Find all roots of the equation X^(6)-X^(5)+X^(4)-X^(3)+X^(2)-X+1=0.