Current location - Training Enrollment Network - Mathematics courses - On the first math problem 13 in senior one, my score is minus five X. What does it mean to subtract one?
On the first math problem 13 in senior one, my score is minus five X. What does it mean to subtract one?
According to: one addend = and-the other addend.

This polynomial =(3X? +4X- 1)-(3X? +9X)

=3X? +4X- 1-3X? -9X

=-5X- 1

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