A shortcut for working with rational expressions with a denominator that need to be factored is presented.
A multiplication problem involving three rational expressions is demonstrated.
Practice problems for dividing rational expressions.
The procedure for dividing rational expressions is demonstrated.
An equation is found to have no solution after using the least common denominator to get a quadratic equation.
The solution to an equation with binomials in the denominators is detailed and checked.
A problem to practice solving a equations with a rational expression.
An equation with binomials in the denominators is solved. When the solution is checked, we find that it is not an allowable solution.
The method of substituting a value for the variables in a rational expression is called evaluating an expression.
Comparison of the results of evaluating an expression in which the variable is substituted with 4 and then with -4.