# Blog

## Do expressions have parentheses? ## What do you call the expressions in both parentheses?

By Mark Zegarelli. When an expression has two sets of parentheses next to each other, you need to multiply every term inside the first set of parentheses by every term in the second set. This process is called FOILing.

## How do you write an expression?

We write an expression by using numbers or variables and mathematical operators which are addition, subtraction, multiplication, and division. For example, the expression of the mathematical statement "4 added to 2", will be 2+4.

## What do Pemdas mean?

Remember in seventh grade when you were discussing the order of operations in math class and the teacher told you the catchy acronym, “PEMDAS” (parenthesis, exponents, multiplication, division, addition, subtraction) to help you remember? Memorable acronyms aren't the only way to memorize concepts.

## How do you write an expression without parentheses?

You want to simplify by writing an equivalent expression without parentheses. First, multiply the 3 by each of the terms inside the parentheses. Next, simplify each part of the expression and then subtract. The answer is 3(3−2)=3.May 30, 2017  ### What are parentheses?

parenthesis Add to list Share. ... When you use parentheses to set off material in a sentence, you say that the material is “in parenthesis.” Put something in parentheses if it's a comment, an afterthought, or additional information that is possibly interesting but not essential to the subject.

### How do you use parentheses in parentheses?

1. Use brackets inside parentheses to create a double enclosure in the text. Avoid parentheses within parentheses, or nested parentheses. Correct: (We also administered the Beck Depression Inventory [BDI; Beck, Steer, & Garbin, 1988], but those results are not reported here.)May 3, 2013

### How do parentheses affect the value of expressions?

Parentheses are used in math to show a part of a math expression or equation that must be solved first, before any other calculations are done. The part between the two parentheses is treated like one number; the answer replaces the expression in the larger math equation.

### What is equation and algebraic expression?

Difference between Algebraic Expression and Equation

An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.

### What is the correct way to use parentheses?

• Rule 1. Use parentheses to enclose information that clarifies or is used as an aside. Example: He finally answered (after taking five minutes to think) that he did not understand the question. If material in parentheses ends a sentence, the period goes after the parentheses. Example: He gave me a nice bonus (\$500).

### How to use parentheses correctly?

• Method 1 Method 1 of 3: Making Parenthetical Statements. Enclose supplemental or biographical information with parentheses. ...
• Method 2 Method 2 of 3: Organizing Information in Text. Refer readers to a page,section,or visual element. ...
• Method 3 Method 3 of 3: Punctuating Parentheticals. Punctuate the surrounding sentence outside the parentheses. ...

### When do you use parentheses?

• Placement of other punctuation. When a parenthetical sentence stands on its own,the closing punctuation mark for the sentence is placed inside the closing parenthesis.
• Specialized uses. Numbered or lettered lists should use a pair of parentheses to enclose the numbers or letters. ...
• Abbreviations and acronyms. ...

### Where does the period go when using parentheses?

• If the words inside the parentheses are a complete sentence, the period, question mark, or exclamation point that ends the sentence goes inside the parenthesis: Bring chocolate. Buy candy.