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You multiply out brackets, remove common factors from fractions, combine like terms.

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Q: How do you simplify expressions with variables?
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Related questions

How are the order of operations and combining like terms are used to simplify expressions?

They are used to simplify expressions by helping to reduce the numbers that there is


Does a mathematical expression have to have variables?

Yes. Expressions cannot be expressed without variables. There are numerical expressions for ex. 2 + 3 is an expression without variables.


How do you evaluate variable expressions?

To evaluate a variable expression, replace all the variables with numbers and simplify the resulting numerical expression. 3m for m = 9 3(9)=27


How do you simplify an expressions?

you use a mathematical formula ...


How will you simplify algebraic expressions?

use a calculator


How do you Evaluating variable expressions with exponents?

Basically the same way that you evaluate other types of expressions with variables: * You replace the variables by the value assigned to the variables. * Then you do the specified calculations.


Why is it important to simplify radical expressions before subtracting or adding and how is adding a radical expression similar to adding a polynomial expression and provide an example?

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify..


Expressions that simplify to the same expression or value.?

2+2 = 2*2 = 2^2 all simplify to 4. But there is no special name for the three expressions.


How can I use the properties of algebra to simplify an expression?

Learn the properties, and apply them! What properties you use depends on the specific situations; some examples include:* Combine like terms (terms with the same variables), e.g.: 4x + 5x = 9x * Factor expressions * Multiply factors, so you can combine them with other expressions. In a way, this is the opposite of the previous point.


How do you simplify an expression that has several terms?

There are several things you can do to simplify expressions. Specifically for expressions with several terms, two things you can do is to combine similar terms (terms that have the same combination of variables), and then (usually after combining), see if you can apply one of the common methods of factoring, such as looking for common factors, looking for a perfect cube, factoring the difference of squares, the sum or difference of cubes, etc.


How do you simplify trigonometric expressions?

Use the trigonometric relations and identities.


How do you simplify algebra expressions with exponets?

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