Täydennä puuttuvat osat derivoinnissa \[\begin{eqnarray} && \frac{d}{dx}((x^2+2x+3)(-x-2)) \\ && \quad = \left[\frac{d}{dx}(x^2+2x+3)\right] \cdot (-x-2) + (x^2+2x+3) \cdot \left[ \frac{d}{dx}(-x-2)\right] \\ && \quad = \left[\qquad\qquad\qquad\right] \cdot (-x-2) + (x^2+2x+3) \cdot \left[\qquad\qquad\qquad\right] \\ && \quad = \left[\qquad\qquad\qquad\right] \end{eqnarray}\].