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Factoring - Rational Expressions

Mike McGarry
Lesson by Mike McGarry
Magoosh Expert
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Algebra, Equations, and Inequalities
Summary
This lesson focuses on simplifying rational expressions, a crucial skill for tackling algebra questions on the GMAT exam. It covers techniques for factoring and simplifying expressions to make complex problems more manageable.
  • Rational expressions are ratios of two algebraic expressions that often require simplification for GMAT problems.
  • Simplification involves factoring both the numerator and the denominator and then canceling out common factors.
  • When expressions involve addition or subtraction in the numerator, they can be split into separate fractions, simplifying one part at a time.
  • Practice questions demonstrate how to apply these techniques to solve equations efficiently, highlighting the importance of recognizing opportunities to simplify.
Chapters
00:00
Understanding Rational Expressions
00:33
Simplifying by Factoring
02:03
Separating the Numerator
02:55
Practical Application and Practice Questions