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INSTRUCTORS Carleen Eaton Grant Fraser Eric Smith
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For more information, please see full course syllabus of Algebra 1
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Multiplying Rational Expressions

  • To multiply two rational expressions, first factor all the numerators and denominators. Then cancel the common factors. Combine the remaining factors to form the final, simplified answer.

  • If two factors in the numerator and denominator look almost the same, factor –1 out of either of the factors and see if you get two identical factors.

Multiplying Rational Expressions

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Procedure 0:16
    • Example
  • Cancel Before Multiplication 3:44
    • Example
  • Rational Expressions Containing Polynomials 6:19
    • Example
  • Lecture Example 1 11:09
  • Lecture Example 2 15:39
  • Additional Example 3
  • Additional Example 4