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ANSWER: x2 - y2 = (x + y) (x - y)

Let:

x = 1st number

y = 2nd number

difference of two squares = x2 - y2

factors of x2 - y2 = (x + y) (x - y)

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12y ago
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Wiki User

12y ago

sometimes it's quick to work out as

just multiply their sum by their difference.

for example two squared is like 2 times by 2 which equals 4 but if its just 2 its 2

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Q: What is the difference of two numbers squared?
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