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

Find the roots of 4x^(2)+3x+5=0 by the method of completing the square.

Find the roots of 4x^(2)+3x+5=0 by the method of completing the square.

If alpha, beta are the roots of x^(2)-3x+1=0 , then the equation whose roots are (1/(alpha-2),1/(beta-2)) is

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

Find all roots of the equation x^4+2x^3-16x^2-22x+7=0 , if one root is 2+sqrt3

Find the roots of the eq 5x^(2) -6x-2=0 by the method of completing the square.

Find the real roots of the following quadratic equations, if they exist. x^(2)+4x+5=0

Find roots equation 2x^(2)-x-3=0 .

Find the values of m for which roots of equation x^(2)-mx+1=0 are less than unity.

Find the values of a for which all the roots of the euation x^4-4x^3-8x^2+a=0 are real.