Try the Free Math Solver or Scroll down to Tutorials!

Enter expression, e.g. (x^2-y^2)/(x-y)

Enter expression, e.g. x^2+5x+6

Enter expression, e.g. (x+1)^3

Enter a set of expressions, e.g. ab^2,a^2b

Enter equation to solve, e.g. 2x+3=4

Enter equation to graph, e.g. y=3x^2-1

Depdendent Variable

Number of equations to solve:

Equ. #1:

Equ. #2:

Equ. #3:

Equ. #4:

Equ. #5:

Equ. #6:

Equ. #7:

Equ. #8:

Equ. #9:

Solve for:

Enter inequality to solve, e.g. 2x+3>4

Enter inequality to graph, e.g. y<3x^2-1

Dependent Variable

Number of inequalities to solve:

Ineq. #1:

Ineq. #2:

Ineq. #3:

Ineq. #4:

Ineq. #5:

Ineq. #6:

Ineq. #7:

Ineq. #8:

Ineq. #9:

Solve for:

Math solver on your site

Please use this form if you would like
to have this math solver on your website,
free of charge.

Name:

Email:

Your Website:

Msg:

RATIONAL EXPRESSIONS

Definition

A rational expression has the form P/Q, where P and Q are polynomials and Q ≠ 0.

Property

If P/Q is a rational expression and if R is a polynomial such that R ≠ 0, then

Example 1 Simplify the rational expression:

Solution

Procedure

Multiplying Rational Expressions

The product of the rational expressions

Example 2 Multiply the following rational expressions:

Simplify your answer.

Solution

Procedure

Dividing Rational Expressions

The quotient of the rational expressions

Example 3 Divide the following rational expressions

Simplify your answer.

Solution

Procedure

Adding Rational Expressions

If P/Q and R/Q are rational expressions, then

Example 4 Add the following rational expressions:

Simplify your answer.

Solution

Procedure

Subtracting Rational Expressions

If P/Q and R/Q are rational expressions, then

Example 5 Subtract the following rational expressions:

Solution

§2-3 PROBLEM SET

Simplify each expression.

Perform the indicated operation and simplify the result.

RATIONAL EXPRESSIONS

§2-3 PROBLEM SET

§2-3 PROBLEM SOLUTIONS