1.

Write the solution set of the equation `x^2+ x 2 = 0`in roster form.

Answer» `x^2+x-2 = 0`
`=>x^2+2x-x-2 = 0`
`=>(x+2)(x-1)=0`
So, `x=-2 or x=1`
So, solution set will be `{1,-2}`.


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