SOLUTION: i need help solving this problem: (3-4((-2)+h)^2)-(3-4((-2)^2)/h the answer is (16h-4h^2)/(h) my question is how did they get to the answer? If you could please show me a

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Question 457078: i need help solving this problem:

(3-4((-2)+h)^2)-(3-4((-2)^2)/h
the answer is (16h-4h^2)/(h)
my question is how did they get to the answer? If you could please show me a step by step instruction on how to solve this problem i would greatly appreciate it. thank you.

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
I am doing this in two parts
(3-4((-2+h)^2)
(3-4(+4-4h+k^2
3-16+16h-4h^2
----------------
-(3-4((-2)^2)/h
-(3-16)/h
+13/h
------------------
3-16+16h-4h^2+13/h
-13+16h-4h^2+13/h
the two 13's cancel
(+16h-4h^2)/h
I hope that helps
Bob