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The difference of the square of a number and 16 is equal to 6 times that number. Find the negative solution

User Rylab
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1 Answer

6 votes

Answer:

the negative solution. It is n = -2

Explanation:

Let n represent the number. Then n² - 16 = 6n, and, after rearrangement,

n² - 6n - 16 = 0. This factors as follows:

n² - 6n - 16 = 0 = (n - 8)(n + 2) = 0, and so n = 8 or n = -2.

We are to find the negative solution. It is n = -2.

User Xinus
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