How do I solve it with steps?

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Answer 1 · 2018-02-17T09:13:03

The order is important
#(f.g)(x)=3/x^2-3#

#f(x)=x-3#

# g(x)=3/x^2#

find #(f.g)(x)#

#(f.g)(x)=f(g(x))#

#=f(3/x^2)#

#=3/x^2-3#

The order is important