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Warm ups. Find the sum or difference.

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12-8 SOLVING RATIONAL EXPRESSIONS AND REVIEW Objective: To review adding, subtracting, and solving rational expressions

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Adding and subtracting review Steps 1. Find the LCD 2. Rewrite each fraction so they have the LCD 3. Multiply each fraction by what the denominator is missing to get the LCD 4. Combine the Fractions into 1 5. Combine like terms in the numerator 6. Factor 7. Simplify

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Find the sum or difference.

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Homework #17 LCD: 15m 15m 3m 5 You Do #19

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Homework #21 LCD: (m+1)(m-1) (m+1)(m-1) You Do #23 2 Answers

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Homework #25 LCD: n n n n You do the rest!

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Homework #33 Remember excluded values where the denominator can’t equal zero? In the original problem, if w = -2 then the first fraction would have a zero on the bottom!

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Homework Page 700 #16-32 even

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