Answer: 0
Step-by-step explanation:
[tex]x^2+2x+1[/tex]
a=1
b=2
c=1
You have your quadratic equation formula:
[tex]x=\frac{-b\frac{+}{}\sqrt[]{b^2-4ac} }{2a}[/tex]
The discriminant is going to be the operation under the square root.
[tex]b^2-4ac[/tex]
[tex](2)^2-4(1)(1)=[/tex]
[tex]4-4=0[/tex]
