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Lynna [10]
3 years ago
12

(20 POINTS AND BRAINLIEST FOR BEST)

Mathematics
1 answer:
Bingel [31]3 years ago
3 0

Answer:

a.  8.5a + 38

b.  6+h+x

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3 times a number is 54 less than the square of that number
Natasha2012 [34]

Answer:

-6

Step-by-step explanation:

3n = n² - 54

n² - 3n - 54 = 0

n² - 9n + 6n - 54 = 0

n(n - 9) + 6(n - 9) = 0

(n - 9)(n + 6) = 0

n = 9 , -6

hope this helps

8 0
2 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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8 0
3 years ago
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