i'm confused....

If f(x)=3x+5 and g(x)=x^2+2x-3, determine x such that f(g(x))=g(f(x)).

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- Jun 15th 2009, 07:01 PMextraordinarymachinecomposite functions
i'm confused....

If f(x)=3x+5 and g(x)=x^2+2x-3, determine x such that f(g(x))=g(f(x)). - Jun 15th 2009, 07:08 PMShowcase_22

So we require the solutions to

So the values of x we require are and . - Jun 15th 2009, 07:09 PMI-Think
and

Equate these two expressions and solve to answer your question

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