Equation `12 x^4-56 x^3+89 x^2-56 x+12=0` has four real and distinct roots two irrational roots one integer root two imaginary roots

Equation 12x^(4)-56x^(3)+89x^(2)-56x+12=0 has four real and distinct roots two irrational roots one integer root two imaginary roots

Equation (x)2)(x+3)(x+8)(x+12)=4x^(2) has four real and distinct roots two irrational roots two integer roots two imaginary roots

Solve : 12x^4-56x^3+89x^2-56x+12=0

Solve : 12x^4-56x^3+89x^2-56x+12=0

Solve the equation 12x^4-56 x^3+89 x^2-56 x+12=0.

Solve the equation 12x^4-56 x^3+89 x^2-56 x+12=0.

Solve : 12x^(4)-56x^(3)+89x^(2)-56x+12=0

Solve the equation 12x^(4)-56x^(3)+89x^(2)-56x+12=0

The equation x^(5)+x^(4)+1=0 has (1) One real and four imaginary roots (2) Five real roots (3) Three real and two imaginary roots (4) Three real roots in which two are same and two imaginary roots