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Question

Solve the inequalities in exercieses 17 to 20 and show the graph of the solution in each case on number line.

x2(5x2)3(7x3)5

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Solution

Here x2(5x2)3(7x3)5

x25x3237x5+35

x25x3+7x523+35

15x50x+42x3010+9157x30115

Multiplying both sides by 30, we have

7x2

Dividing both sides by 7, we have

x27

The solution set is [27,).

The representation of the solution set on the number line is


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