Question

resposta da equações do segundo grau
x2-8×+12=0

Answer 1

A=1

B=-8

C=12

B2-4AC

64-48

16

-B+/-raiz de delta/2A

8+/-4/2

8+4=12/2=6

8-4=4/2=2

Answer 2

A=1 B=-8 C=12

X= 8 +- √(-8)^2-4x1x12/2

X=8 +-√16/2

X=8+-4/2

X1=8+4÷2

X1=6

X2=8-4÷2

X2=2

X2