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яна15с
@яна15с
October 2021
2
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скажите, как разложить?
30-х-х^2
будет -х^2-х+30 или -х^2+х+30???
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Pavetta
Будет:
30-х-х^2=-х^2-х+30
0 votes
Thanks 1
svetazuna
30 - х - х² =
можно так: -(х² + х - 30)
можно так: -(х² + х) + 30 = -х * (х + 1) + 30
1 votes
Thanks 1
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Answers & Comments
30-х-х^2=-х^2-х+30
можно так: -(х² + х - 30)
можно так: -(х² + х) + 30 = -х * (х + 1) + 30