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If V = {x: x+2=0} R= {x: x^2+2x =0} S= ...

If V = {x: x+2=0} `R= {x: x^2+2x =0}` `S= {x: x^2+x-2=0}`. then for what value of x, V=R=S?

A

0

B

`-1`

C

`-2`

D

1

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