Math, asked by johnnydejuan1974, 14 days ago

What is the solution set given x² - 18x + 81= 0?
A. (- 4, - 4)
B. (6, 6)
C. (9, 9)
D. (9, 6)

Answers

Answered by maladroit20

2

Answer:

C. (9,9)

Step-by-step explanation:

x² - 18x + 81= 0

= x^2 - 9x - 9x + 81

= x(x-9) - 9(x-9)

= (x-9)(x-9)

Therefore, both the coordinates are x=9

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