cole56015
cole56015
13-03-2018
Mathematics
contestada
I don't understand this at all
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evgeniylevi
evgeniylevi
13-03-2018
Try this option:
if to re-write and simplify the given expression, then answers:
the coeffic. for a²= -2;
the coeffic. for ab= -2+6=4;
the coeffic. for b=6-8= -2.
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