Question

Need help with this plz

Answer 1

`x = ( - 24 \pm √( - 288) )/(4) \\ = \frac{ - 24 \pm \sqrt{ ( - 1) {(12)}^(2) (2)} }{4} \\ = \frac{ - 24 \pm √( - 1) \sqrt{ {12}^(2) } √(2) }{4} \\ = ( - 24 \pm i 12√(2) )/(4) \\ =-(24)/(4)\pm (i12√(2))/(4)\\= - 6 \pm \: i3 √(2)`