1. Section 6.2 Multiplication and Division

2. Multiplying Rational Expressions 1) Multiply their numerators and denominators (Do not FOIL or multiply out the expressions) 2) Factor the numerator and denominator completely 3) Cancel common factors where A, B, C and D are polynomials

3. Example Simplify Factor 1 1 Multiply across 1 2

4. Example Simplify Factor 1 1 Multiply across 1 1

5. Example Simplify Factor 1 Multiply across 1 1 1 1

6. Example Simplify It’s already in factored form! 1 Multiply across k

7. Multiply and simplify

8. Dividing Rational Expressions 1) Multiply the first rational expression by the reciprocal of the second rational expression 2) Factor the numerator and denominator completely 3) Cancel common factors where A, B, C and D are polynomials

9. Example Simplify It’s already in factored form 1 3 Multiply across 1 2a 1 1 b

10. Example Simplify Factor 1 1 Multiply across 1 1 1 1

11. Example Simplify Factor 1 1 Multiply across 1

12. Example Simplify Factor 1 1 Multiply across

13. Divide and simplify

14. Group work Answers on next slide

15. Answers

16. More Examples