Question 1173199
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Hi  
Solve the quadratic equation by completing the square.
{{{ x^2-4x-6=0 }}}  Or {{{ x^2-4x+4 - 4- 6=0 }}}
(x-2)^2 - 4 - 6 = 0
(x-2)^2 = 10   Taking the Square Root of both sides
x - 2 = ± √10  
x = 2 ± √10 
Wish You the Best in your Studies.

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