Answer:
x² - 6x + 9 = 0
Step-by-step explanation:
Given
(x - 3)² = 0 ( expand left side using FOIL )
x² - 3x - 3x + 9 = 0 ( collect like terms )
x² - 6x + 9 = 0 ← in general form
Answer:
12
Step-by-step explanation:
Be more explicite
You don't have any images?
Answer:

Step-by-step explanation: