how can there be roots to this equation (1 Viewer)

[anonymoushehe]

delta is negative, so there are no real roots?

 

[cheesynooby]

View attachment 48217
delta is negative, so there are no real roots?

there are no real roots but there are still... roots (complex roots, which is x2)
question should still be possible with only x1 content tho

 

[Hehehe22]

Well apparently you can still solve it using the angle formula for tan(alpha + beta), subbing in the sums and products of roots