Question

find x² + 2x + 1 if x=-1​

Answer 1

Answer:

0

Step-by-step explanation:

x² -2x +1

if x = 1

1² -2(1) +1

1-2+1

2-2

0

Answer 2

Answer:

Given: quadratic equation x2−2x+1=0

To find the value of x+x1

x2−2x+1=0 

⇒x2+1=2x 

⇒xx2+1=2