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Question

Simplify the following:
12(2x1)2x+12512+x

A
1x5
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B
1x5
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C
5x8
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D
None of these
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Solution

The correct option is A 1x5
Since, 12(2x1)2x+12512+x
We have following two cases:
i)(2x1)22x+12
2x14x+1x1
ii)2x+1212+x
x11212x5
1x5

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