SOLUTION: if the sum of two numbers is 8 and the sum of their cubes is 20, what is the sum of their squares?

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Question 406085: if the sum of two numbers is 8 and the sum of their cubes is 20, what is the sum of their squares?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Can you confirm the 20, and respost?
Too much work to do for a typo.