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Unformatted text preview: 2). When you multiply and combine the terms the equation would then look like, x^2+2x-2x-4. Since -2x and +2x cancel each out the remaining terms are x^2-4. When a polynomial is the difference of two squares the middle terms will cancel each other out leaving only the two squares....
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This note was uploaded on 02/16/2012 for the course MAT 117 117 taught by Professor Billings during the Spring '10 term at University of Phoenix.
- Spring '10