Q&A #1530

Factoring out -1 in algebraic expressions

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From: Kathy Say
To: Teacher2Teacher Service
Date: May 05, 1999 at 17:06:18
Subject: Factoring out -1 in algebraic expressions

Could you give some suggestions in showing a Basic Algebra class how to "see" when you need to factor out -1 so they can simplify algebraic fractions? you could use (2 - c)/(c - 2) as an example.

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