Instructional Video1:28
Brian McLogan

Order of Operations with PEMDAS - Online Tutor - Free Math Videos

12th - Higher Ed
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Instructional Video0:49
Brian McLogan

How to use the power property of exponents

12th - Higher Ed
👉 Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Instructional Video1:18
Brian McLogan

What is the power rule of exponents and how do we apply it

12th - Higher Ed
👉 Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Instructional Video1:30
Brian McLogan

Distributive property with a negative one ex4, -(-p + 2n + 3)

12th - Higher Ed
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Instructional Video1:31
Brian McLogan

What do I do when there is a negative sign outside the parentheses

12th - Higher Ed
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Instructional Video3:39
Brian McLogan

Simplify an expression

12th - Higher Ed
👉 Learn how to simplify rational powers using the power and the quotient rules. There are some laws of exponents which might come handy when simplifying expressions with exponents. Some of the laws include the quotient law which states...
Instructional Video4:59
Curated OER

How Do You Add Polynomials?

7th - 9th
So you want to learn how to add polynomials? Here are the steps: rewrite by removing the parentheses, identify the like terms, group like terms together, combine the like terms, and finally rewrite the simplified expression.
Instructional Video5:36
Curated OER

How Do You Subtract Like Terms?

7th - 9th
Subtracting like terms, combining like terms, and simplifying an expression all refer to the same thing here. The teacher explains two different methods of simplifying this subtraction expression.
Instructional Video3:03
Curated OER

How Do You Subtract Fractions with Variables?

7th - 9th
Combining terms that have fraction coefficients means you have to use your prior knowledge of adding and subtracting fractions. Find the least common denominator so you can combine the fractions. Finally put it all back together.
Instructional Video3:48
Curated OER

How Do You Add Variables that Are the Same?

7th - 9th
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.