Combining Like Terms 2 Video Tutorial
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Algebraic Expressions
An algebraic expression is an expression that is written using one or more variables.
Examples:
2x x – 6 3b + 4 p + q
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.
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