Question

$4x {}^{2} - 12x + 9 = 0$
ayuda porfavor!!​

Answer 1

$4 {x}^{2} - 12x + 9 = 0 \\ (2x {)}^{2} - 2(2x)(3) + {3}^{2} = 0 \\ (2x - 3 {)}^{2} = 0 \\ 2x - 3 = 0 \\ 2x = 3 \\ x = \frac{3}{2}$