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May 26, 2015

Homework Help: mathh

Posted by SC on Tuesday, December 8, 2009 at 9:11pm.

Let f(x)=x+2 Ix-3I and g(x)=3x-1
Find all solutions to the equation f(g(x))=-4x

So this is what I did...

(3x-1)+2 I(3x-1)-3I=-4x
(3x-1)+2 I3x-4I=-4x

This is where I got stuck. What do I do with the absolute value? and this part?(3x-1)+2=3x+1 ??

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