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Chapter 3: Q48. (page 127)

Simplify the expression.

a-2-(3+a)

Short Answer

Expert verified

The simplified expression is鈭�5.

Step by step solution

01

– Use distributive property

The distributive property is given asa(b+c)=ab+ac.

The given expression isa鈭�2鈭�(3+a).

So,a鈭�2鈭�(3+a)=a鈭�2鈭�3鈭�a[distributiveproperty]

02

– Combine the like terms

a鈭�2鈭�(3+a)=a鈭�a鈭�5[groupliketerms]=鈭�5

03

– Conclusion 

Therefore, the simplified expression is鈭�5.

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