What? Why? What happened? You can't just put an equals sign there, where'd the (m/n-1) go? What happened to the denominator? Will no one think of the children? WHY GOD WHY?!?!?!
Intelligent design?
All I remember is FOIL, which I'm not sure applies here. Also, I think there's some ambiguity in what you've typed. Are the "((m/n)-1)" and "p/(x^(k-1))" terms in the numerator or the denominator?
Numerator. What, my parentheses aren't totally clear? Silly. I would have tried to do it as more comprehensible fractions (on more than one line), but I think lj probably interprets multiple spaces as just one.
See, this isn't all that hard -- I think they do infinite series in pre-calc, and this may just even be algebra, but it's one of those places where they've skipped a step in the explanation because it seems totally clear to them, and suddenly I'm lost.
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Intelligent design?
All I remember is FOIL, which I'm not sure applies here. Also, I think there's some ambiguity in what you've typed. Are the "((m/n)-1)" and "p/(x^(k-1))" terms in the numerator or the denominator?
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Regardless, I'm totally feeling for your mother.
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