SOLUTION: Please help me solve this equation: {{{ x^2-2x-3= sqrt( 4 ) }}}

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Question 552041: Please help me solve this equation: +x%5E2-2x-3=+sqrt%28+4+%29+
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2-2x-3=+sqrt%28+4+%29+
x^2-2x-3=2
x^2-2x =5
x^2-2x+1=6 completing the square
(x-1)^2=6
x-1=+-sqrt(6) square root of each side.
x=1+sqrt(6), x=1-sqrt(6)
.
Ed