# Solve a Rational Equation: a/(x+b)=-c/(x+d) – No Cross Products

This video explains how to solve a proportion using the method used to solve rational equations.

# Solve a Rational Equation: (x-a)/x-b/c=d/x

This video explains how to solve a rational equation.

# Complex Fraction Application: Simplify a Resistance Formula

This video explains how to simplify a complex fraction used to determine the resistance of a group.

# Simplify a Complex Fraction 1/(1/x+1/y)

This video explains two methods to simplify a complex fraction.

# Solve A Rational Equation (No Solution) x/(3x-9)-6=1/(x-3)

This video explains how to solve a rational equation and determine if there are any extraneous solutions.

# Function Arithmetic (Subtract): f(x)-g(x) with Rational Functions

The video explains how to determine a difference function given 2 rational functions. The excluded values are also found.

# Function Arithmetic (Add): f(x)+g(x) with Rational Functions

The video explains how to determine a sum function given 2 rational functions. The excluded values are also found.