Combining Like Terms Video Tutorial

algebraic fractions video, constants video, equations video, expressions video, number sense video, numbers video, polynomials video, variables video.

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Combining Like Terms

This tutorial shows how to combine like terms in given polynomial, the variables, and the constants. You will learn to combine the coefficients of the same variable as well as pay attention to the signs of coefficients, for there are different rules for different signs and same signs.

Combining like terms video involves algebraic fractions, constants, equations, expressions, number sense, numbers, polynomials, variables.

Equations

An equation is a mathematical statement, in symbols, that two things are the same (or equivalent). Equations are written with an equal sign. Equations are often used to state the equality of two expressions containing one or more variables.

Expressions

An expression is a combination of numbers, operators, grouping symbols (such as brackets and parentheses) and/or free variables and bound variables arranged in a meaningful way which can be evaluated. Bound variables are assigned values within the expression (they are for internal use) while free variables can take on values from outside the expression.

Polynomials

In mathematics, a polynomial is an expression constructed from one or more variables and constants, using the operations of addition, subtraction, multiplication, and constant positive whole number exponents.

Polynomials are one of the most important concepts in algebra and throughout mathematics and science. They are used to form polynomial equations, which encode a wide range of problems, from elementary story problems to complicated problems in the sciences.

Video Tutorial Comments

how do you combine like terms with parentheses
ex: 3-(-4+x)-2x
April 19, 2009, 10:03 pm

Is it correct way to write + sign and - sign together? for example....3x + -7x
May 30, 2009, 12:46 pm

In the fraction what if the (x) is the numerator for example
x/2+x/3
August 23, 2009, 10:39 am

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See Also

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algebraic fractions video, constants video, equations video, expressions video, number sense video, numbers video, polynomials video, variables video