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Need help with subtracting rational expressions?
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Lesson Description - Subtracting Rational Expressions:
This lesson covers the idea of subtracting rational expressions. Students learn that when subtracting rational expressions, the first step is to change the minus sign between the terms to a plus sign, and change all the signs across the numerator of the following term. Next, factor each of the denominators, if possible, then give each term a common denominator by multiplying the numerator and denominator of each term by the appropriate value. Next, add across the numerators and keep the denominators the same. Finally, factor the resulting numerator, if possible, to determine if the rational expression can be reduced.
Related Lessons:
Subtracting Rational Expressions, Rational Expressions Subtraction, , ,
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