Question 273700
Find the value of c to make {{{g^2-18g+c}}} a perfect square.
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g^2 - 18g + c  
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= g^2 - 18g + (18/2)^2 
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 g^2 - 18g + 81 is a perfect square
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Ans: c = 81
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Cheers,
Stan H.