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X^2-18x-2=0. Which number would have to be added to “complete the square”?
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X^2-18x-2=0. Which number would have to be added to “complete the square”?

User John Franke
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1 Answer

4 votes

Explanation:

its83

(a+b)^2=a^2+2ab+b^2

x^2+(-9)2x-2=0

b^2=81

83+(-2)=81

User Rhololkeolke
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