perplexus.info :: Just Math : Given Real Numbers, Find all possible Sums

Given Real Numbers, Find all possible Sums (Posted on 2024-05-04)

Each of x and y is a real number that satisfies this equation:

x³ + y³ + 8 = 6xyz

Find all possible values of x+y

No Solution Yet Submitted by K Sengupta

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Actually ,,,

Comment 2 of 2 |

I disagree slightly with Charlie.

x can be 0 if y is the cube root of -8.

similarly, y can be 0 if x is the cube root of -8.

Posted by Steve Herman on 2024-05-04 09:09:42

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