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You can find infinitely many expressions that are equivalent to any given expression. For example, you can add and divide an arbitrary number.In this case, one interesting option is to factor the given expression. You can use the fact that there is a common factor; also, that you have the difference of two squares.
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What is the definition of an equivalent variable expressions?
An equation if both expressions are equal
What is the definition of equivalent numerical expressions?
That means that the two expressions represent the same number.
When two expressions have the same value they are?
equivalent
How are equivalent expressions used?
You can use them to find a variable. Lets say you have two equivalent expressions with the same variable... x + 2x - 42 = 0 2x - 28 = 0 If you combine these equivalent expressions you ahve... x + 2x - 42 = 2x - 28 In all of the expressions you have x = 7 There are also other applications but its confusing to explain.
States that two expressions are equivalent is called what?
equation
