Answer:
x = [tex]\frac{3}{2}[/tex]
Step-by-step explanation:
4x² - 12x + 9 = 0 ← the quadratic is a perfect square
(2x - 3)² = 0 , then
2x - 3 = 0 ( add 3 to both sides )
2x = 3 ( divide both sides by 2 )
x = [tex]\frac{3}{2}[/tex] ( repeated root )
