The first three steps of completing the square to solve the quadratic equation x2 + 4x - 6 = 0 are shown
below.
Step 1: x2 + 4x = 6
Step 2: x2 + 4x + 4 = 6 + 4
Step 3: (x + 2)2 = 10
what are the next 3 steps
Step 4: (x + 2)2 = 10
Step 5: x + 2 = ±√10
Step 6: x = -2 ± √10