Parentheses

Definition of Parentheses

The symbols �(� and �)� are called parentheses and are generally used in grouping.

More About Parentheses

  • The singular form of parentheses is known as parenthesis.
  • Parentheses are used to denote modifications to normal order of operations.
  • Parentheses are also called round brackets, curved brackets, oval brackets, or just brackets.

Examples of Parentheses

    The value of the expression 5 � 8 + 4 is 40. But if we use the parentheses with the same expression by grouping (8 + 4), i.e. 5 � (8 + 4), the value of the expression will be 60 as the order of operation gets changed in this case.

Video Examples: Parenthesis Parenthesis


Solved Example on Parentheses

Ques: What is the value of the expression (12 + 4) - 4?

    Choices:
    A. 8
    B. 0
    C. 12
    D. 16
    Correct Answer: C

Solution:

    Step 1: The operations within the parentheses should be performed first.
    Step 2: (12 + 4) � 4 [Original expression.]
    Step 3: = 16 - 4
    Step 4: = 12
    Step 5: So, the value of the expression is 12.
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