ICSE Class 10 Answered
Q. 30
![question image](https://images.topperlearning.com/topper/new-ate/33841446811712269IMG20180409084411.jpg)
Asked by Rayeesa | 10 Apr, 2018, 07:30: AM
![begin mathsize 16px style straight x equals straight k space is space one space of space the space solution space of space 2 straight x squared plus 5 straight x minus straight k equals 0
rightwards double arrow 2 straight k squared plus 5 straight k minus straight k equals 0
rightwards double arrow 2 straight k squared plus 4 straight k equals 0
rightwards double arrow 2 straight k left parenthesis straight k plus 2 right parenthesis equals 0
rightwards double arrow 2 straight k equals 0 space or space straight k plus 2 equals 0
rightwards double arrow straight k equals 0 space or space straight k equals negative 2
rightwards double arrow straight x equals 0 space or space straight x equals negative 2 end style](https://images.topperlearning.com/topper/tinymce/cache/54db2624744f1dd3c3cd979be86856ab.png)
Answered by Rashmi Khot | 10 Apr, 2018, 08:45: AM
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