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Adding Rational Expressions with Complicated Denominators
01:26

Adding Rational Expressions with Complicated Denominators

An example of adding rational expressions that have binomials and trinomials in the denominator is illustrated.

Additional Problem That Requires Factoring, An
02:24

Additional Problem That Requires Factoring, An

A shortcut for working with rational expressions with a denominator that need to be factored is presented.

Factor: 8x2   10x - 25
01:29

Factor: 8x2 10x - 25

Practice factoring a trinomial in which the last term is negative: 8x2 10x - 25.

Solve: 2x2 - 15x   18 = 0
01:27

Solve: 2x2 - 15x 18 = 0

Practice solving a quadratic equation: 2x2 - 15x 18 = 0

Factor: xy   18   6y   3x
01:09

Factor: xy 18 6y 3x

Practice factoring: xy 18 6y 3x

Factoring Perfect Square Trinomials
03:27

Factoring Perfect Square Trinomials

The perfect square trinomial is a polynomial that can be factored using a special formula. In standard form, the first and last terms of a perfect square trinomial are always perfect squares. The middle term is always the product of the square roots...

Dividing Rational Expressions: Two Practice Problems
03:12

Dividing Rational Expressions: Two Practice Problems

Practice problems for dividing rational expressions.

Division with a Binomial in the Numerator
01:30

Division with a Binomial in the Numerator

Examples of simplifying radical expressions with division when numerators contains a binomial.

Prime Numbers: Factors of Thirteen
01:16

Prime Numbers: Factors of Thirteen

This clip contrasts the number twelve, which can be factored in several ways, with the number thirteen, which can only be factored as thirteen times one. The clip states that the question of whether or not a whole number has smaller factors becomes ...