# math

if a car moving at a constant rate travel (2x³-x²-4x+3)km in (x²-2x+1) hours what is the rate of the car in km per hour?
I need it asap thanks

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1. so divide
2x^3-x^2-4x+3
---------------------
x^2-2x+1

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2. http://www.wolframalpha.com/input/?i=(2x%5E3-x%5E2-4x%2B3)%2F(x%5E2-2x%2B1)

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3. check:
(2x+3)(x^2-2x+1)
is
2x(x^2-2x+1)
+
3(x^2-2x+1)
which is
2 x^3 -4x^2 +2x + 3x^2 -6x+3
= 2x^3 - x^2 - 4x +3
remarkable !

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