MATH / Two circles, one centered at (−3,2) and the other centered at (0,−1), are internally tangent as shown. [asy] import graph; size(7cm); real lsf=0.5; pen dps=linewidth(0.7)+fontsize(…

Two circles, one centered at (−3,2) and the other centered at (0,−1), are internally tangent as shown. [asy]
import graph; size(7cm); real lsf=0.5; pen dps=linewidth(0.7)+fontsize(10); defaultpen(dps); pen ds=black; real xmin=-9.34,xmax=9.27,ymin=-9.36,ymax=7.89;

Label laxis; laxis.p=fontsize(10);

xaxis(xmin,xmax,Ticks(laxis,Step=2.0,Size=2,OmitTick(0)),Arrows(6),above=true); yaxis(ymin,ymax,Ticks(laxis,Step=2.0,Size=2,OmitTick(0)),Arrows(6),above=true); draw(circle((0,-1),7.07)); draw(circle((-3,2),2.83));

dot((0,-1),ds); label("(0,−1)",(0.23,-1.87),SE*lsf); dot((-3,2),ds); label("(−3,2)",(-2.82,2.29),N*lsf); dot((1,6),ds); label("(1,6)",(1.2,6.3),NE*lsf); dot((-5,4),ds);

clip((xmin,ymin)--(xmin,ymax)--(xmax,ymax)--(xmax,ymin)--cycle);

[/asy] If the equation of the smaller circle can be written as x²+y²+Dx+Ey+F=0, find D+E+F.

Two circles, one centered at $(-3,2)$ and the other centered at $(0,-1)$, are internally tangent as shown. [asy]
import graph; size(7cm); real lsf=0.5; pen dps=linewidth(0.7)+fontsize(10); defaultpen(dps); pen ds=black; real xmin=-9.34,xmax=9.27,ymin=-9.36,ymax=7.89;

Label laxis; laxis.p=fontsize(10);

xaxis(xmin,xmax,Ticks(laxis,Step=2.0,Size=2,OmitTick(0)),Arrows(6),above=true); yaxis(ymin,ymax,Ticks(laxis,Step=2.0,Size=2,OmitTick(0)),Arrows(6),above=true); draw(circle((0,-1),7.07)); draw(circle((-3,2),2.83));

dot((0,-1),ds); label("$(0, -1)$",(0.23,-1.87),SE*lsf); dot((-3,2),ds); label("$(-3, 2)$",(-2.82,2.29),N*lsf); dot((1,6),ds); label("$(1, 6)$",(1.2,6.3),NE*lsf); dot((-5,4),ds);

clip((xmin,ymin)--(xmin,ymax)--(xmax,ymax)--(xmax,ymin)--cycle);

[/asy] If the equation of the smaller circle can be written as $x^2 + y^2 + Dx + Ey + F = 0$, find $D + E + F$.