dwavy29
14.01.2021 •
Mathematics
I really don't understand please help
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Ответ:
2.2:
2.3: - 1
2.4: -3x^4, 2x^3, 5x^2, x, -1
2.5: 70
Ответ:
-2y + 30
Step-by-step explanation:
3(y+5)-5(y-3)
Distribute
3y+15 -5y +15
Combine like terms
-2y + 30