Factoring Quadratic x²+bx+c with c<0

$(x+d)(x+e)$ where $d$ and $e$ are positive constants

$(x-d)(x+e)$ where $d$ and $e$ are positive constants

$(x+d)(x-e)$ where $d$ and $e$ are positive constants

$(x-d)(x-e)$ where $d$ and $e$ are positive constants