37．已知函数f(x)={∣ln(−x)∣,x<0x,0⩽x⩽1x−1,x>1f(x)=\left\{\begin{array}{l}\left\vert ln(-x)\right\vert ,x<0\\ x,0\leqslant x\leqslant 1\\ {x}^{-1},x>1\end{array}\right.f(x)=⎩⎨⎧∣ln(−x)∣,x<0x,0⩽x⩽1x−1,x>1，若f(x)=mf(x)=mf(x)=m存在四个不相等的实根x1x_{1}x1，x2x_{2}x2，x3x_{3}x3，x4(x1<x2<x3<x4)x_{4}(x_{1}<x_{2}<x_{3}<x_{4})x4(x1<x2<x3<x4)，则4x32+x1x2x44{x}_{3}^{2}+{x}_{1}{x}_{2}{x}_{4}4x32+x1x2x4的最小值是 [ 3 ]．