# Algebra

Factor completely. Remember to look first for a common factor. Check by multiplying. If a polynomial is prime state this.

a^2-2ab-3b^2

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1. What would lead to a product of -3? (1,-3 or -1,3)

From the two end terms, what would add to -2? Since the first term has to be 1, the last term has to be -3 to = -2. Include the a and b terms.

I hope this helps.

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posted by PsyDAG

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