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Example ANSWER x(x+1)

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Example

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Example ANSWER 1

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Adding and Subtracting Rational Expressions Advanced Math Topics Mrs. Mongold

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Adding and Subtracting Rational Expressions Finding Least Common Multiples and Least Common Denominators! o Use prime factorization o Example: Find the LCM of 6 and 4 6 = 2·3 4 = 2 2 LCM= 2 2 ·3 = 12

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Find the LCM 1. a 2 – 6a + 9 and a 2 + a -12

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Find the LCM 2. 18r 2 s 5, 24r 3 st 2, and 15s 3 t

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Find the LCM 3. 12a 2 b 4, 27ac 3, and 18a 5 b 2 c

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Find the LCM 4. p 3 + 5p 2 + 6p and p 2 + 6p + 9

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Find the LCM 5. q 2 – 4q + 4 and q 3 – 3q 2 + 2q

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Find the LCM 6. 2k 3 – 5k 2 – 12l and k 3 – 8k 2 +16k

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Find the LCM 7. x 3 -x 2 – 2x and x 2 – 4x + 4

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Add and Subtract Rational Expressions Same as fractions… o To add two fractions we find the LCD, the same things is going to happen with rational expressions

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Examples 8. Simplify

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Examples 9. Simplify

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Examples 10. Simplify

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Examples 11. Simplify

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Examples 12. Simplify

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Examples 13. Simplify

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Examples 14. Simplify

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Examples 15. Simplify

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Homework

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