SOLUTION: f(x)=4x^3-3x^2+2x-1. Find f(1+2i). Please help me out, I really don't have any idea on what to do!!!

SOLUTION: f(x)=4x^3-3x^2+2x-1. Find f(1+2i). Please help me out, I really don't have any idea on what to do!!!

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Question 165290: f(x)=4x^3-3x^2+2x-1. Find f(1+2i). Please help me out, I really don't have any idea on what to do!!!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Note: it's helpful to remember that

Start with the given function

Plug in . In other words, replace each "x" with "1+2i"

Break up to get

FOIL to get

FOIL to get

Distribute

Combine like terms.

So the answer is
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