Question

Imma need some help with this plz

Answer 1

 a= 3, b = 2 and c = -3
$- a^2 -3 b^3 +c^2 +2b^3-c^2$ = $-a^2 -b^3$
                        = $-(3)^2-(2^3)=-9 -8 =-17$