Question

list the elements of the following sets

{x:x²-2x-3=0 }


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Answer 1

Step-by-step explanation:

To know the elements of the given , factorize the equation

x^2 -2x -3=0

x^2 +x-3x-3=0

x(x+1)-3(x+1)=0

(x-3)(x+1)=0

x-3=0 or x+1=0

x=3 or x=-1

Therefore the elements are (-1,3)