Could someone help me figure out how to solve the rest of this?
I need to find fog.. This is the initial equation:
f(x)=x+7 and g(x)=3x+2
This is as far as I've gotten:
fog = f(g(x)) = x(3x - 2)+7
Have I done this right so far?
What do I do next?
I have notes on this but I don't really understand how to do the next steps.

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