can someone tell me why the lcm of 2x,x-1 and 2(x-1)
Any good sites for showing how to find lcm for fractions with equations.
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x-1 is a factor of 2(x-1) therefore you are only looking for ther LCM of 2x and 2(x-1), you can see that 2 is common to both so the rest is easy.
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