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Mathematics 15 Online
OpenStudy (anonymous):

z^2/z^2-64=-8 evaluate the expression for the given value of the variable.

OpenStudy (anonymous):

is it \[\frac{ z^2 }{ z^2-64}=-8\]

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Cross multiply

OpenStudy (anonymous):

how do I do that

OpenStudy (anonymous):

512/128

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