Let f(x) be a quadratic expression such ...

Let `f(x)` be a quadratic expression such that `f(-1)+f(2)=0`. If one root of `f(x)=0` is `3`, then the other root of `f(x)=0` lies in (A) `(-oo,-3)` (B) `(-3,oo)` (C) `(0,5)` (D) `(5,oo)`

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