Question

Solve by using the perfect squares method.

x2 + 4x + 4 = 0


2
–2
4
–4

Answer 1

\(\Large x^2 + 4x+4=0 \Rightarrow x=\frac{-4\pm \sqrt{4^2-4\times4}}{2} = \frac{-4}{2}=-2\)