When a polynomial is added to any polynomial, the result is always a polynomial. 4a Solve quadratic equations in one variable. a.Use the method of completing the square to transform any quadratic equation in x into an equation of the form. Use the method of completing the square to transform any quadratic equation in x into an equation of the form (x – p)2 = q that has the same solutions. In the paper, the extension of the classical root locus method to systems with complex coefficients is presented. The focus of Secondary Mathematics II is on quadratic expressions, equations, and functions and on comparing their characteristics and behavior. In the context of polynomials, the closure property states that if you add any two polynomials together, the result will also be a polynomial. I researched and presented on Grace's Theorem and the vanishing sets of polynomials over non-algebraically closed fields. We study the fine geometric structure of bifurcation currents in the parameter space of cubic polynomials viewed as dynamical systems. Lsim allows you to plot the simulated responses of multiple dynamic systems on the same axis.