Math, asked by Gowtham9821, 3 months ago


 {x}^{2}  -  |x|  - 2 = 0
then x =? what

Answers

Answered by ridhya77677
2

Step-by-step explanation:

 {x}^{2}  -  |x|  - 2 = 0 \\  {x}^{2}  - 2 |x| +  |x|   - 2 = 0 \\   |x| ( |x|  - 2) + ( |x|  - 2) = 0 \\ ( |x|  + 1)( |x|  - 2) = 0 \\  |x|  = ± 1,±2

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