To simplify the expression \(- (b^{14})^{12}\), you can use the power of a power property in exponents, which states that \((a^m)^n = a^{m \cdot n}\).
Applying this property:
\[ -(b^{14})^{12} = -b^{14 \cdot 12} = -b^{168} \]
So, the equivalent expression for \(- (b^{14})^{12}\) is
\[ -b^{168} \]