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

User Timelyportfolio
by
4.7k points

1 Answer

5 votes

Answer: 9

Explanation:

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

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

User MathCatsAnd
by
4.6k points
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