Question

Qual o resultado da bascara x²-5x+6=0

Answer 1

∆=(-5)²-4.1.6
∆=25-24
∆=1

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

Answer 2

x²-5x+6=0
a=1
b=-5
c=6

Δ=b²-4.a.c
Δ=(-5)²-4.1.6
Δ=25-24=1

x¹=-b+√Δ/2.a=-5+√1=-5+1/2.1=-4/2=-2
x²=-b-√Δ/2.a=-5-√1=-5-1/2.1=-6/2=-3