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Use the identify (x−y)2=x2−2xy+y2 to determine the product of two numbers if the square of the difference of the numbers is 1 and the sum of the squares of the numbers is 13.
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Use the identify (x−y)2=x2−2xy+y2 to determine the product of two numbers if the square of the difference of the numbers is 1 and the sum of the squares of the numbers is 13.

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