please experts answer the question with proper method

Dear student,
y= x2 +2x -3or, y= x2 +3x -x -3or, y= (x+3)(x-1)for roots, y=0so,(x+3)(x-1)=0x=-3 and x=1From graph, only option 3 satisfies the relationHence option 3 is correct.
Regards

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