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Chapter 1: Q2. (page 18)

Describe in order the steps you would take to evaluate the expression

12(x鈭�3)2鈥�when鈥�x=5

Short Answer

Expert verified

The value of expression is 48

Step by step solution

01

Step-1 – Substitute x by 5

To evaluate the expression substitute 5 for x and solve further as shown below

12(x鈭�3)2=12(5鈭�3)2

02

Step-2 – Now subtract 3 from the equations

In the expression we subtract 3 from the equation

12(x鈭�3)2=12(5鈭�3)212(x鈭�3)2=12(2)2

03

Step-3 – Square and multiply

Now firstly square and multiply the outcome

12(x鈭�3)2=12(5鈭�3)212(x鈭�3)2=12(2)212(x鈭�3)2=12(4)12(x鈭�3)2=48

So, the value of the expression is 48.

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