Question

if x=2 is a common roots of quadratic equation x2+x+1=0

Answer 1

Step-by-step explanation:

X = 2 can't be a common root because it doesn't satisfy the given equation.

Answer 2

Answer

x = 2

x^2 + x + 1

= (2)^2 + 2 + 1

= 4 + 2 + 1

= 7