Question

x²+5x+6=0
alguem sabe ?

Answer 1

x²+5x+6=0 (a=1/b=5/c=6)

Δ=b²-4.(a).(c)
Δ=5²-4.1.6
Δ=25-24
Δ=1

x=-b+/- √Δ/2.a
x=-5+/-√1/2.1
x= -5+1/2=-4/2=-2
x=-5-1/2=-6/2=-3