SOLUTION: What is the output of f(x)=3x squared minus 3x when f(-1)? and when f(2)?

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Question 589095: What is the output of f(x)=3x squared minus 3x when f(-1)? and when f(2)?
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=3x^2-3x
f(-1)=6
f(2)= 6