### Home > PC > Chapter 11 > Lesson 11.1.4 > Problem 11-60

11-60.

Solve for *c*: *c*^{4} − 12*c*^{2} − 64 = 0. Homework Help ✎

Factor.

(*c*² ± ?)(*c*² ± ?) = 0

The original equation has *c*^{4}, so you should be looking for 4 solutions.

11-60.

Solve for *c*: *c*^{4} − 12*c*^{2} − 64 = 0. Homework Help ✎

Factor.

(*c*² ± ?)(*c*² ± ?) = 0

The original equation has *c*^{4}, so you should be looking for 4 solutions.