Weegy: 1) x^2-2x-3=0
To get x^2. the only way is x*x
Therefore the solution is in the form (x±a)(x±b)=0
a and b are 2 numbers that when multiplied must give -3 and when added must give -2.
-3 = 1*-3
and
1-3=-2
Therefore: (x+1)(x-3)=0
x=-1 and x=3 (More)

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