Question

what are the approximate solutions of the equation x^2+4x=-2

A (-4.45, .45)
B (-3.41, .45)
C (-.59, -4.45)
D (-.59, -3.41)

Answer 1

D ( -.59, -3.41)

Answer 2

\[x _{1,2} =( -b \pm \sqrt{b^{2} - 4ac})/2a\]
\[x_{1,2} = (-4 \pm \sqrt{16-8})/2\]
\[x_{1,2} = -2 \pm \sqrt{2}\]