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

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Question 456328: 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^2-2x-3= sqrt( 4 )
x^2-2x-3=2
x^2-2x =5
x^2-2x+1=5+1 completing the square.
(x-1)^2=6
x-1=+-sqrt(6)
x=1+sqrt(6), x=1-sqrt(6)
.
Ed