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Factor: 12x2 - 17x   6
02:33

Factor: 12x2 - 17x 6

Practice factoring a trinomial with a negative middle term: 12x2 - 17x 6.

Subtraction Problem That Requires Factoring, A
02:21

Subtraction Problem That Requires Factoring, A

Solving a problem in which both denominators are quadratic trinomials is demonstrated.

Solving Quadratic Equations by Factoring
02:48

Solving Quadratic Equations by Factoring

A quadratic equation in which the quadratic trinomial has a leading coefficient of one can be solved by factoring. An example is given that also utilizes the zero factor property.

Solving Equations Not Written in Standard Form
01:04

Solving Equations Not Written in Standard Form

Before solving a quadratic equation, it must be written in standard form. The procedure is demonstrated.

Quadratic Equations in Standard Form
03:01

Quadratic Equations in Standard Form

The standard form for a quadratic equation is ax2 bx = 0. It is not always clear whether an equation is a quadratic equation until it is simplified. Any equation that can be written in stand form is a quadratic equation.

Factor: 3c2 - 13cd   14d2
01:43

Factor: 3c2 - 13cd 14d2

Practice factoring a trinomial with two different variables: 3c2 - 13cd 14d2.

Factor: a2   12a   27
01:29

Factor: a2 12a 27

Demonstration of a shortcut that can be used to factor a quadratic trinomial with a leading coefficient of 1.

Factor: 9y2 - 15y   4
01:24

Factor: 9y2 - 15y 4

Practice factoring a trinomial with a negative middle term: 9y2 - 15x 4.

Factor: 8a2   10a   3
01:05

Factor: 8a2 10a 3

Practice factoring: 8a2 10a 3.

Factoring Before Simplifying a Rational Expression
01:42

Factoring Before Simplifying a Rational Expression

Examples of factoring before simplifying a rational expression are presented.