0 , 16 b^4 + c^2 − 0 , 8 b^2 c

It seems like you have provided an expression containing variables b and c. It can be simplified as follows:

0 - 16b^4 + c^2 - 0 + 8b^2c Simplify, -16b^4 + c^2 + 8b^2c

If you have any specific questions or further instructions, please let me know!