[Solution] Determine whether the following trinomial is a perfect square:
Question: Determine whether the following trinomial is a perfect square:
\[{{x}^{2}}-18x-81\]
Deliverable: Word Document 
![[See Steps] Find the constant term that](/images/solutions/MC-solution-library-63869.jpg "[See Steps] Find the constant term that should be added to make")
[See Steps] Find the constant term that should be added to make
![[See Solution] Find the constant term that](/images/solutions/MC-solution-library-63870.jpg "[See Solution] Find the constant term that should be added to make")
[See Solution] Find the constant term that should be added to make
(See Solution) Find the constant term that should be added to
(Steps Shown) Solve the following equation by completing the square:
![[All Steps] Solve the following equation by](/images/solutions/MC-solution-library-63873.jpg "[All Steps] Solve the following equation by completing the square:")
[All Steps] Solve the following equation by completing the square:
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