Question

Se x=-1/3, então x²-2x+1 é igual a

Answer 1

 Boa Tarde !!!!!

 x=-$\frac{1}{3}$

x²-2x+1=

(-$\frac{1}{3}$)²-2.(-$\frac{1}{3}$)+1=

$\frac{1}{9}$+$\frac{2}{3}$+1=

$\frac{1+6+9}{9}$=

$\frac{16}{9}$