SOLUTION: What is the factor of x^2-81=0?

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Question 883823: What is the factor of x^2-81=0?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
That's an equation, you don't factor equations, you solve them.
And, it's not "the factor of," it's factors.
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You can factor the left side of it x^2 - 81
It's a difference of 2 squares.
a%5E2+-+b%5E2+=+%28a-b%29%2A%28a%2Bb%29
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