Puchinita5
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Homework Statement
see link: https://www.webassign.net/latex2pdf/a577e8c682b39448d3e71b75b95ff053.pdf
This shows the problem and solution for a homework question.
Maybe I'm just not seeing it, but I totally don't understand the first step. How did they make (7u^3 + 11)/(u^3-u^2) equal to [7+ (7u^2 + 11)/(u-1)u^2] ?
I just don't see what math trick was used. I understand the denominator just pulled a u^2 out, but mainly i don't see where how the 7 was taken out.
I have a feeling I will slap my forehead when someone explains it to me, but I just can't figure it out.
Thank you,
Puch
Homework Equations
The Attempt at a Solution
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