1.04 Combining Like Terms

Now let's look at some of the building blocks for like terms. You will see these on your quiz/test, so make sure to take notes.

Terms are parts of an expression separated by a + or − sign.

Example: 3x²+ 2x + 1

The terms are:

A coefficient is the number in front of the term: 3x² + 2x + 1

A constant is a term that contains no letter: 3x² + 2x + 1

A variable is a letter or symbol used to represent a number in an expression or equation: 3x²+ 2x + 1

Factors are numbers that are multiplied together to get a product.

3 × 7 = 21

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