Curated OER
How Do You Multiply Binomials Using the Distributive Property?
Check this out. Multiply binomials using the distributive property. It's really not that difficult to do. Watch this video as the instructor illustrates the steps to distribute, and then combines the like terms to simplify.
Curated OER
How Do You Subtract Polynomials Vertically?
Subtract polynomials? Huh? First off, find the additive inverse of the number you are subtracting. Next, rewrite the polynomials one on top of the other. Make sure to line up the like terms and then write in placeholders. Now, add the...
Curated OER
How Do You Add Polynomials Vertically?
The instructor demonstrates how to line up two polynomials vertically to add them together. She emphasizes lining up the terms with the same powers. She also identifies some places where there is no term and shows how to write a...
Curated OER
How Do You Subtract Radicals with Like Radicands ?
Subtract the given radicals. Not so difficult really! If the radicals are like terms, then it's as simple as combining the coefficients. Yes, it's really that simple.
Curated OER
How Do You Multiply Two Rational Expressions?
Before doing any kind of multiplication, first see if the terms can be reduced. Otherwise the values after multiplying can be very large and would need to be reduced anyway to simplest terms. So check out how to factor the given rational...
Curated OER
How Do You Solve an Equation with Variables on Both Sides and Grouping Symbols?
This equation with a variable on both sides and parentheses on both sides seems like it will be hard to solve. Don't despair! It's not as complicated as you might think. Just use the order of operations and take it one step at a time.
Curated OER
How Do You Use an Equation with Consecutive Numbers to Solve a Word Problem?
Mrs. Jenkins has five children. How old is each one of them? A big word problem with lots of numbers to figure out. Show this video to your class! The more exposure your learners have to word problems, the more comfortable they will be...
Curated OER
How Do You Multiply a Monomial by a Polynomial?
The instructor gives an example of how to multiply a monomial times a trinomial. She explains verbally what she is doing but does not write each multiplication step on the board.
Curated OER
How Do You Solve a Word Problem by Writing an Equation and Plugging in Values?
There are a lot of moving parts in this word problem. There are three variables, and then there's writing out an equation. Oh my! The best thing to do is watch this video and take some good notes as the teacher explains each and every...
Curated OER
Complex Numbers - Algebra Help
The foil method had been used for years as a way to remember how to simplify complex numbers. This process is demonstrated step-by-step, slowly so the learner will be able to follow along as the instructor solves the problem. Intended...
Curated OER
How Do You Add Variables that Are the Same?
The teacher explains that adding many variables that are the same is like multiplying them. She writes one example using whole numbers and one example with variables.
Curated OER
What's the Standard Form of a Polynomial?
The teacher explains how to write a polynomial in standard form. She first explains standard form and then shows several examples. A couple of expressions were not in standard form and I would have liked to see her rewrite these...
Curated OER
How Do You Multiply a Monomial by a Polynomial?
The instructor gives an example of how to multiply a monomial times a trinomial. She explains verbally what she is doing but does not write each multiplication step on the board.
Khan Academy
Khan Academy: Algebra: Subtracting Polynomials
Demonstrates how to subtract one polynomial from another polynomial by adding the opposite of the second polynomial. [2:07]
Khan Academy
Khan Academy: Algebra: Subtracting Polynomials With Multiple Variables
Demonstrates how to subtract polynomials when there are multiple variables in each polynomial. [2:10]
Khan Academy
Khan Academy: Algebra: Adding and Subtracting Polynomials 3
Demonstrates how to simplify an expression that involves both addition and subtraction of polynomials. [2:27]
Khan Academy
Khan Academy: Algebra: Simply a Polynomial
Explains what like terms are and demonstrates how to simplify a polynomial. [3:37]
Khan Academy
Khan Academy: Algebra: Adding and Subtracting Polynomials 1
Demonstrates how to add polynomials. Each polynomial is a trinomial. Practice problems available. [2:01]
Loyola University Chicago
Math Flix: Simplification 2
This QuickTime movie provides another opportunity to simplify an expression by combining like terms. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Virtual Nerd
Virtual Nerd: How Do You Add Polynomials?
Watch this video tutorial to see step-by-step instructions on how to add polynomials of any size by grouping like terms and then combining them together. [5:00]
Virtual Nerd
Virtual Nerd: How Do You Subtract Polynomials?
To subtract polynomials, distribute the negative sign to the second polynomial and then combine like terms. Watch this tutorial to see how it's done. [2:07]
Virtual Nerd
Virtual Nerd: How Do You Add Polynomials Vertically?
View this tutorial to see the steps needed in order to add polynomials vertically. [4:12]
Virtual Nerd
Virtual Nerd: How Do You Subtract Polynomials Vertically?
This tutorial shows the steps you need to take when subtracting two polynomials vertically. [5:30]
Virtual Nerd
Virtual Nerd: How Do You Multiply a Monomial by a Polynomial?
To multiply a monomial by a trinomial just use the distributive property. Watch this tutorial to see how its done. [1:28]