SOLUTION: Please someone help... I'm having a problem solving this
x + y + z = 12
x² + y² + z² = 50
x³ + y³ + z³ = 216
Algebra.Com
Question 1021358: Please someone help... I'm having a problem solving this
x + y + z = 12
x² + y² + z² = 50
x³ + y³ + z³ = 216
Answer by tomlaidlaw(14) (Show Source): You can put this solution on YOUR website!
It's easy to see the answer is 3, 4, 5, but I don't know how to formally solve it. Somehow the system of equations seems unworkable with squares and cubes.
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