Question

Resolva a função de 2grau
x²-8x+12=0​

Answer 1

Explicação passo-a-passo:

a= 1

b= -8

c= 12

∆= b² -4.a.c

∆= (-8)² -4.1.12

∆= 64 -48

∆= 16

x = -b ±√∆/2.a

x = - (-8) ±√16/2.1

x = 8 ±4/2

x1= 8+4/2= 12/2= 6

x2= 8-4/2= 4/2=2

S = { 2 , 6}