Question

9x ao quadrado+6x+4=0

Answer 1

$9 {x}^{2} + 6x + 4 = 0 \\ \Delta = {b}^{2} - 4ac \\ \Delta = {6}^{2} - 4.9.4 \\ \Delta = 36 - 144 = - 108$

S=∅