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Komok [63]
3 years ago
14

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

Mathematics
2 answers:
Kazeer [188]3 years ago
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
kramer3 years ago
6 0
What he said sounds correct
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