math

The positive difference of the cubes of two consecutive positive integers is 111 less than five
times the product of the two consecutive integers. What is the sum of the two consecutive
integers?

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2. 👎
3. 👁
1. (x+1)^3 - x^3 = 5x(x+1) - 111
solve for x and x+1

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2. 👎
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oobleck

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