Answer
(g-f)(x)=-x$^2$+3x-2
Work Step by Step
(g-f)(x)=g(x)-f(x)
(g-f)(x)=2x-6-(x$^2$-x-4)
(g-f)(x)=2x-6-x$^2$+x+4
(g-f)(x)=-x$^2$+3x-2
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