Answer:
-17
Step-by-step explanation:
[tex] - {a}^{2} - 2bc - |c| [/tex]
[tex] - {a}^{2} - 2bc - c[/tex]
Factor out an negative
[tex] - ( {a}^{2} + 2bc + c)[/tex]
Subsitue the values in
[tex] { - 2}^{2} + 2( - 3)(3) - 3 = 4 - 21 = - 17[/tex]
