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04-06-2021
Mathematics

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What value, a, needs to be added to create a perfect-square quadratic?
x² - 6x + a

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bengisu898 bengisu898

04-06-2021

Answer: 9

Step-by-step explanation:

(x-3)^2=x^2-6x+9

(x-a)^2=x^2-2ax+a^2)

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