9709 P11 - Jun 2022 - Q1 - 4 marks
300
(a) Express \(x^2-8x+11\) in the form \((x+p)^2+q\) where \(p\) and \(q\) are constants. [2]
(b) Hence find the exact solutions of the equation \(x^2-8x+11=1\). [2]