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07-04-2021
Mathematics

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

Respuesta :

07-04-2021

Step-by-step explanation:

its83

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

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

b^2=81

83+(-2)=81

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