What must be added to \[{{x}^{2}}+10x\]to make it a perfect square?

1.	What must be added to \[{{x}^{2}}+10x\]to make it a perfect square?
A.	49
B.	25
C.	100
D.	36
Answer» C. 100

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What must be added to \[{{x}^{2}}+10x\]to make it a perfect square?

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