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OpenStudy (anonymous):
q^7*q*q^-9*q^-3=?????
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OpenStudy (anonymous):
powers get added
OpenStudy (ghazi):
\[q^{7+1-9-3}\]
OpenStudy (anonymous):
need the answer not how to do it please ?
OpenStudy (ghazi):
7+1-12=8-12
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