Q1- The function 3-2x-x^2 = a-(x+b)^2, find the value of a and b and hence find it's maximum value.
Q2- Express x^2+4x in the form a-(x+a)^2, stating values of a and b.
Q3- Express 2x^2-6x in the form a(x-b)^2+c stating the numerical values of a, b and c.