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Ann [662]
3 years ago
12

6 times a number is 27 less than the square of that number. Find the positive solution.

Mathematics
1 answer:
Sedaia [141]3 years ago
7 0

Answer:

9

Step-by-step explanation:

6n = n² - 27

n² - 6n - 27 = 0

n² - 9n + 3n - 27 = 0

n(n - 9) + 3(n - 9) = 0

(n - 9)(n + 3) = 0

n = -3, 9

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