Question 757935
4x^2-4x/4x-1 divided by x-1/4x-1 
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[4x(x-1)/4x-1] / [x-1/4x-1]
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Invert and multiply to get:
[4x(x-1)/4x-1] * [4x-1/x-1]
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Cancel any factor common to numerator and denominator:
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= 4x
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Cheers,
Stan H.
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