Showing equation has no real roots

[noble frigate]

I am struggling with this problem to show that an equation has no real roots. Please could I get some help

[noble frigate]

I tried using b^2 - 4ac

and i got -3k^2 - 6k -7 now I'm not too sure where to go from there

Please ping if respond

[hot oxide]

@noble frigate

[noble frigate]

thank you!

[hot oxide]

!done

[halcyon ingot]

If you are done with this channel, please mark your problem as solved by typing .close

[noble frigate]

!done

[halcyon ingot]

If you are done with this channel, please mark your problem as solved by typing .close

[noble frigate]

.close