Respuesta :

Answer:

x= -1

Step-by-step explanation:

Answer:

1 or‒1

Step-by-step explanation:

x^2+2x+1=0

x(x+2)=‒1

x=‒1

(x+2=‒1)

x=‒1+2

x=1

so the answer is x=1 orx=‒1

i think it is clear answer

i hope it helps you