SOLUTION: The sum of the squares of two numbers is 256 and the square of their sum is 784. What is the product of the two numbers?

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Question 894317: The sum of the squares of two numbers is 256 and the square of their sum is 784. What is the product of the two numbers?
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
Two numbers, x and y.
and

The 784 equation is ; subtract the circle 256 equation from it:


----THE ACTUAL ANSWER TO THE QUESTION
, and try substituting this into the circle equation.




Solve for
Discriminant:
which is

, which is four different values.

This is not really finished.
Still want to find y for each of those x values.

Note, the actual question was to find the product of x and y, which was actually found early in this work.
.

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