Solve the equation by completing the square.p2 + 5p - 5 = 0

A.  
B.  
C. -5 ± 3
D.  

Answer: A

Mathematics

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Fill in the blank(s) with the appropriate word(s).

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Solve the equation. Give a general formula for all the solutions.2 cos ? + 1 = 0

A.
B.
C.
D.

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