Factor 7x2y2 4xy2 - 8x2y
Practice factoring: 7x2y2 4xy2 - 8x2y
Factor 18x - 12y
Using the distributive law to factor the polynomial 18x - 12y is demonstrated.
Factor 21a5b7 – 7a4b6c
Practice factoring: 2la5b7 — 7a4b6c
Factor 72m3n2p5 - 48mn5p3
Practice factoring: 72m3n2p5 - 48mn5p3
Summary of the Addition of Like Terms
Review and practice of adding terms in a simple algebraic expression.
Solving an Equation by Subtracting
An explanation of how to solve an algebraic equation by dividing.
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 Systems with Fractions in the Equations
Systems of equations that contain fractions can be difficult to work with. Clearing the fractions in such a system by multiplying each equation by the least common denominator of the fractions in the equation can be a good strategy to employ.
Rewriting Equations for Slope-intercept Form
Rewriting an equation in slope-intercept form.
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.