Factor
16\left(-t-18\right)\left(t-18\right)
Evaluate
5184-16t^{2}
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16\left(-t^{2}+324\right)
Factor out 16.
\left(18-t\right)\left(18+t\right)
Consider -t^{2}+324. Rewrite -t^{2}+324 as 18^{2}-t^{2}. The difference of squares can be factored using the rule: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\left(-t+18\right)\left(t+18\right)
Reorder the terms.
16\left(-t+18\right)\left(t+18\right)
Rewrite the complete factored expression.
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