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**Simplify the expression**

Warm-up Simplify the expression

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**How do you multiply fractions?**

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**How do you multiply fractions?**

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**Multiply and Divide Rational Expressions**

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**Multiplying Rationals**

Protect binomials (and higher) with parenthesis and FACTOR Cancel out factors on TOP with common factors on BOTTOM Then, multiply across the top and across the bottom Simplify again, if possible

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**From the notes: Write the product in simplest form.**

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**What’s the area of the rectangle in terms of x and in simplest form?**

Geometry Link What’s the area of the rectangle in terms of x and in simplest form?

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**Dividing Rational Expressions**

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**First ratio stays the same Change the division sign to multiplication**

Dividing Rationals First ratio stays the same Change the division sign to multiplication Flip the 2nd ratio Repeat the same steps you did for multiplication Simplify again, if possible

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From the notes: Keep, change, flip

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**Write the quotient in simplest form.**

Keep, change, flip

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Example from the notes Keep, change, flip

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Example from the notes Keep, change, flip

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9.4 Multiplying & Dividing Rational Expressions. Simplifying Rational Expressions If the top and bottom have a common term, they can cancel out.

9.4 Multiplying & Dividing Rational Expressions. Simplifying Rational Expressions If the top and bottom have a common term, they can cancel out.

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