Evaluate the expression:
-a^2 + c(a-c) - n^2 a= -3 c= -2 n= 3
![Evaluate the expression a2 cac n2 a 3 c 2 n 3 class=](https://us-static.z-dn.net/files/d2a/cf22dc8ab20d0ac4f3940f9615b458fb.jpeg)
Answer: -a^2+c\left(a-c\right)-n^2a=3\quad :\quad c=-\frac{-a+\sqrt{-3a^2-4an^2-12}}{2},\:c=-\frac{-a-\sqrt{-3a^2-4an^2-12}}{2}
Step-by-step explanation: YW! plese mark branlest!