CBSE Class 10 Answered
please clear
![question image](http://images.topperlearning.com/topper/new-ate/top_mob1600931652775172610e750cbab-7983-4be4-85f2-334f1c06b65f.jpg)
Asked by rajvarshneytushar | 24 Sep, 2020, 12:44: PM
(2x + 4)2 - (x - 5)2 = 26x
→ 4x2 + 16x + 16 - x2 + 10x - 25 = 26x
→ 3x2 + 16 - 25 =
→ 3x2 = 9
![begin mathsize 16px style rightwards double arrow straight x squared space equals space 3
rightwards double arrow straight x space space space equals space plus-or-minus square root of 3 end style](https://images.topperlearning.com/topper/tinymce/cache/a19e4ad295a0ee7f2bced0979940663d.png)
So, the positive value of x which satisfies the given equation is
.
![begin mathsize 16px style square root of 3 end style](https://images.topperlearning.com/topper/tinymce/cache/4af06e89bd1fdfac5b2d2274497427ea.png)
Answered by Yasmeen Khan | 24 Sep, 2020, 13:10: PM
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