Question

F(x)=x²-4×+4
$F(x)=x²-4×+4$
me ajudem​

Answer 1

α=b² -4.a.c

α=(−4)² −4.(1).(4)

α=16−16

α=0

Aplicando x da raiz

x= −b−+√α

2.a

x= −(−4)−+√0

2.(1)

x= 4−+0

2

x= 4

2

x=2