sayrebear
sayrebear sayrebear
  • 26-09-2017
  • Mathematics
contestada

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

I got the answer but I dont understand what the 1 does class=

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chewhiuyonowuwox
chewhiuyonowuwox chewhiuyonowuwox
  • 26-09-2017
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
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Justionia Justionia
  • 26-09-2017
What he said sounds correct
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