I don't understand this at all

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asked Jun 8, 2019 44.7k views

1 Answer

Bohrax · Answer 1 · 2019-06-15T12:28:41+0000

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.

I don't understand this at all

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