Question 1123156
.
x + y + z = 30
xyz = 640.
find x, y and z 
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Actually,  &nbsp;there are &nbsp;<U>INFINITELY &nbsp;MANY &nbsp;REAL &nbsp;SOLUTIONS</U>&nbsp; for this system of two equations in three unknown.



Would you like I list all of them here ?



I do not think you want it.



Then descend on us and formulate clearly and explicitly what you need.