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2 years ago

8

What values of x make the equation x^2 - 18x + 81 = 0 true?

1 answer:

serg [7]2 years ago

3 0

Answer: X=9

x^2 −2(x) (9)+9^2 =0

(X-9)^2=0

X-9=0

X=9

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