4 years ago

I got the answer but I don't understand what the -1 does

2 answers:

7 0

The -1 affects the coefficient of the entire term.

Without the -1,
the term has a positive coefficient.
(3a)² = 9a²

However, with the -1,
the term has a negative coefficient.
-(3a)² = -9a²

kramer4 years ago

6 0

What he said sounds correct

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