(2k+3)(3/k+2)=-8 4k+9/k+12+8=04k²+20k+9=0(2k+1)(k+9)=0k=-1/2或k=-9
(2k+3)(3/k+2)=-8 要详细过程解：(2k+3)(3/k+2)=-8 (6k+9)/(k+2)=-86k+9=-8k-1614k=-25k=-25/14
如图
如图，没看懂在问
