Respuesta :

MrGumby
[tex] \frac{-3 +/- 2 \sqrt{3} }{2} [/tex]

Start by dividing both sides by 3. Then take the square root of both sides. Then subtract 3 from both sides and divide by 2.  
prasanna2

[tex]( \sqrt{12 } - 3) \div 2[/tex]
dividing both side by 3
then, taking square root on both side
then you will get value of b and above form in the equation

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