Removal of Brackets

Removal of brackets in order to simplify expressions involving more than one bracket, we use the following steps:

STEP I

See whether the given expression contains a vinculum or not. If a vinculum is present, then perform operations under it. Otherwise go to next step.

STEP II

See the innermost bracket and perform operations within it.

STEP III

Remove the innermost bracket by using following rules:

Rule 1: If a bracket is preceded by a plus sign, remove it by writing its terms as they are.

Rule 2: If a bracket is preceded by a minus sign, change positive signs within it to negative and vice-versa.

Rule 3: If there is no sign between a number and a grouping symbol, then it means multiplication.

Rule 4: If there is a number before some brackets then we multiply the number inside the brackets with the number outside the brackets.

STEP IV

See the next innermost bracket and perform operations within it. Remove the second innermost bracket by using the rules given in step III. Continue this process till all the brackets are removed.

Some of the examples on removal of brackets using the steps are discussed here.

Numbers - Integers

Integers

Multiplication of Integers

Properties of Multiplication of Integers

Examples on Multiplication of Integers

Division of Integers

Absolute Value of an Integer

Comparison of Integers

Properties of Division of Integers

Examples on Division of Integers

Fundamental Operation

Examples on Fundamental Operations

Uses of Brackets

Removal of Brackets

Examples on Simplification

Numbers - Worksheets

Worksheet on Multiplication of Integers

Worksheet on Division of Integers

Worksheet on Fundamental Operation

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