The equation is .
Rewrite the equation is .
Apply formula: .
(Subtract 4 from each side)
(Apply additive inverse property:
)
(Apply additive identity property:
)
Take square root each side. \ \
\ (
)
Apply formula: .
Subtract 2 from each side.
\Add 2 to each side.
\The equation has two imaginary roots, and two real roots 2,
2.
The solution is two imaginary roots, and two real roots 2,
2.