Recap: Rational Expressions
Part of the Polynomials & Rational Expressions section of Coddy's Algebra 2 journey. Lesson 31 of 54.
Challenge
Simplify (x^2 - 5x + 6)/(x^2 - 9).
Try it yourself
(x^2 - 5x + 6)/(x^2 - 9)
Simplify the expression
All lessons in Polynomials & Rational Expressions
1Polynomial Long Division
How Long Division WorksOne Term at a TimeA Remainder Left OverA Missing TermDividing by a QuadraticRecap: Long Division7Adding and Subtracting
Same BottomDifferent BottomsSubtractingFactor the Bottoms FirstRecap: Adding Fractions2Remainders and Factors
The Remainder TheoremThe Factor TheoremFinding a Missing NumberUsing a Known FactorRecap: Remainders and Factors5Sign Charts
Between the RootsOutside the RootsA Negative Leading TermReading a Sign ChartRecap: Sign Charts3Factoring Higher Degree
Factor by GroupingGrouping All the WayDifference of CubesSum of CubesA Quadratic in DisguiseRecap: Factoring6Rational Expressions
Cancelling FactorsExcluded ValuesMultiplyingDividingRecap: Rational Expressions