Find where the mistake first occurs in completing the square…
Find where the mistake first occurs in completing the square: x2 = 6x + 14 Step 1: x2 – 6x = 14 Step 2: x2 – 6x – 9 = 14 – 9 Step 3: (x – 3)2 = 5 Step 4: √(x-3)2 = ±√5 Step 5: x – 3 = ±√5 Step 6: x = 3 ±√5