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nicollexo21
23.08.2020 •
Mathematics
I need help with this question thx
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Ответ:
-5x^3 + 5y^3
Step-by-step explanation: The other parts cancelled out
Ответ:
= -5x³ + 5y³
Step-by-step explanation:
4y³ - 5x³ - 1 - 4y³ - 6 + 7 + 5y³
= -5x³ + (4y³ - 4y³ + 5y³) + (- 1 - 6 + 7)
= -5x³ + (0 + 5y³) + (- 7 + 7)
= -5x³ + 5y³
Ответ: