Question

write the solution of the equation set for x^2+x-2 in roaster form​

Answer 1

Answer:

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Answer 2

x²+x-2

x²+2x-x-2

x(x+2)-1(x+2)

(x-1) (x+2)

so the solution of the equation is x=-2,1

in roaster form, it is

x={-2,1}