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OpenStudy (anonymous):
8 1 -- + -- add and simplify z z^2
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OpenStudy (anonymous):
(8z + 1) / z^2
OpenStudy (anonymous):
this cant be simplified any further
OpenStudy (anonymous):
does the top need parentheses or not
OpenStudy (anonymous):
i always put parenthesis in cases like this because it could be interpreted as 8z + 1/2z. The whole top of the fraction is divided by 2z and the brackets clearly indicate this.
OpenStudy (anonymous):
ok
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