# Simplify the expression

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Simplify the expression
Warm-up Simplify the expression

How do you multiply fractions?

How do you multiply fractions?

Multiply and Divide Rational Expressions

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

From the notes: Write the product in simplest form.

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?

Dividing Rational Expressions

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

From the notes: Keep, change, flip

Write the quotient in simplest form.
Keep, change, flip

Example from the notes Keep, change, flip

Example from the notes Keep, change, flip

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