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When simplifying an expression do you always perform operations inside grouping symbols first?
It's possible to perform other operations first. But if you try it, there's a muchbigger chance that you'll get all tangled up and your result will be wrong.
An expression that contains at least one variable is called an algebraic expression?
it is a one-step equation
When you replace the variable with a number and perform the operations you blank an expression?
When you replace the variable with a number and perform the operations, you evaluate an expression. This process involves substituting the numerical value for the variable and simplifying the expression according to the given operations. Evaluation is a fundamental concept in mathematics and is used to determine the value of the expression under specific conditions.
What is it called when you remove a common factor?
If you take a common factor and write it outside of the parentheses (which you may need to add), that's called "factoring" or "factorizing". If you have a common factor in the numerator and denominator of an expression, you can just eliminate both; that's often referred to as "simplifying".
The first step in reducing a rational expression is to do what to both the numerator and denominator?
To reduce a fraction to its lowest terms divide the numerator and the denominator by their highest common factor
