# algebra

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factor completely. remember to look first for a common factor. if a polynomial is prime state this. x^2+2xy+y^2-9

• algebra -

Try factorizing the first three terms using the identity:
(a+b)² = a² + 2ab + b²
The resulting difference of two squares can be factorized using the identity:
(a²-b²) = a² - b²

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