Question

What are the solutions of 2x2 + 8x = –26?

–2 ± 3i

–2 ± i

2 ± 6i

–3 ± 2i

Answer 1

\[2x^2+8x+26=0\]
i say use the quadratic formula
\[x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\]where a=2, b=8 and c=26