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Question

What has to be added to x2+3x−8 to get x2+x+6?


A

3 - 8

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B

- 2x + 14

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C

x + 6

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D

2x + 14

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Solution

The correct option is B

- 2x + 14


(x2+x+6) - (x2+3x8)
= x2+x+6 - x23x+8
= - 2x + 14
So, - 2x + 14 is to added to (x2+3x8) to get (x2+x+6).


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