Question

2x² + 3x + 3 = 0 ?? Resposta? 50 pontos!

Answer 1

2x²+5x+3=0
∆=25-4.2.3
∆=25-24=1
x= -5±√1/4
x= -5±1/4
x'= -6/4= -3/2
x"= -1
S={-1, -3/2}