Question 214672
Solve:
{{{x^2+4x+4 = 0}}} Factor the trinomial.
{{{(x+2)(x+2) = 0}}}
{{{x+2 = 0}}} or {{{x+2 = 0}}} so...
{{{x = -2}}} or {{{x = -2}}}
This is called a "double root"
{{{graph(400,400,-5,5,-5,5,x^2+4x+4)}}}