Complete each statement in the steps to solve x2 – 4x + 3 = 0 using the process of completing the square. Isolate the constant by both sides of the equation. Add to both sides of x2 – 4x = –3 to form a perfect square trinomial while keeping the equation balanced. Write the trinomial x2 – 4x + 4 as squared. Use the square root property of equality to get x – 2 = ± . Isolate the variable to get solutions of 1 and 3.