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Factor: 3xy – 9x 6y - 18
Sometimes a greatest common factor for a polynomial expression can be found before any terms are grouped. This can lead to parentheses inside of parentheses, which can be confusing. Using brackets as a substitute for a set of parentheses can help to...
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Equations and Formulas
An introduction to simple algebra with emphasis placed on reading formulas correctly, manipulating formulas, ratios and proportions, and using standard formulas to solve word problems.