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Section 6.2. Multiplying and Dividing Rational Expressions. Rational Expressions are basically fractions…. Multiply: 4 · 25 Divide: 20 ÷ 15 5 32 21 7 We use the same concepts with rational expressions, but we have to FACTOR!. To Multiply:.

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Section 6 2

Section 6.2

Multiplying and Dividing Rational Expressions


Rational expressions are basically fractions
Rational Expressions are basically fractions…

  • Multiply: 4 · 25 Divide: 20 ÷ 15 5 32 21 7

    We use the same concepts with rational expressions, but we have to FACTOR!


To multiply
To Multiply:

  • 1. Factor everything in the numerators and the denominators.

  • 2. Divide out (cancel) any common factors.

  • 3. Multiply across with what remains.


To divide
To Divide:

  • Just multiply the first fraction by the reciprocal of the 2nd fraction.


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