Question

X²+2x+1=0
Find all the values of x

Answer 1

Answer:

X2+2x+1

X2+X+X+1

X(X+1)+1(X+1)

(X+1)(X+1)

X=-1 or X=-1

Answer 2

Answer:

x2+2x+1=0

S=2=1+1

P=1=1*1

x2+1x+1x+1

x(x+1)+1(x+1)

(x+1) (x+1)

So, x+1

x= -1