SOLUTION: okayz i need assistance plz {{{ x^2-2x-3= sqrt( 4 ) }}}

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Question 910386: okayz i need assistance plz
+x%5E2-2x-3=+sqrt%28+4+%29+
Found 2 solutions by ewatrrr, MathLover1:
Answer by ewatrrr(24785) 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
Either
x^2 - 2x = 5 Completing Square
x^2 - 2x + 1 = 5 + 1
(x-1)^2 = 6 , x = 1 ± √6
0r
x^2 - 2x = 1 Completing Square
x^2 - 2x + 1 = 1 + 1
(x-1)^2 = 2, x = 1 ± √2

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2-2x-3=+sqrt%28+4+%29+
+x%5E2-2x-3=+2+
+x%5E2-2x-3-2+=0
+x%5E2-2x-5+=0 use quadratic formula
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x+=+%28-%28-2%29+%2B-+sqrt%28+%28-2%29%5E2-4%2A1%2A%28-5%29+%29%29%2F%282%2A1%29+
x+=+%282+%2B-+sqrt%28+4%2B20%29+%29%29%2F2+
x+=+%282+%2B-+sqrt%28+24%29+%29%29%2F2+
x+=+%282+%2B-+sqrt%28+4%2A6%29+%29%29%2F2+
x+=+%28cross%282%29+%2B-+cross%282%29sqrt%286%29+%29%29%2Fcross%282%29+
x+=+%281+%2B-+sqrt%286%29+%29+
solutions:
x+=+%281+%2B+sqrt%286%29+%29+ or x+=+%281+-+sqrt%286%29+%29+
as decimal
x+=+3.5+%29+ or x+=+-1.5+
+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+x%5E2-2x-5+%29+