To simplify the expression \( 5m^{12} - 15m^{12} \):
- Combine like terms: \[ 5m^{12} - 15m^{12} = (5 - 15)m^{12} = -10m^{12} \]
The expression simplifies to \( -10m^{12} \).
None of the provided responses match exactly with \(-10m^{12}\). If the question intends to express the answer in the form of a square root, we can rewrite \(-10m^{12}\) as:
\[ -10m^{12} = -10(m^{12}) \] However, this still doesn't correspond to the choices you've given.
If you're looking for a way to factor this further, we could express \(m^{12}\) as \((m^6)^2\), but that would still not yield the options given.
It seems the correct simplification does not appear in the provided options. If there’s been a misunderstanding in the options relative to the intended form of the answer, please clarify the question or provide additional context!
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