Question

Sobre fórmula de baskara resolva:
X²-8X+12=0

Answer 1

Resposta:

x²-8x+12=0

a= 1  b= -8  c= 12

Δ=b²-4ac

Δ=(-8)²-4*(1)*(12)

Δ=64-48=16

x= -b±√Δ/2(a)

x= -(-8)±√16/2

x=8±4/2

x1=8+4/2=6

x2=8-4/2=2