Question

x*2+5×+6=0

me ajudem pfvrrr​

Answer 1

Resposta:

Explicação passo a passo:

a=1

b=5

c=6

x=-5+-V5²-4.1.6/2.1

x=-5+-V25-24/2

x=-5+-V1/2

x'=-5+1/2=-4/2=-2

x''=-5-1/2=-6/2=-3

S={-2,-3}