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Alina [70]
3 years ago
6

Find the sum and express it in simplest form. (-2y3 + 2y2 - 9) + (-4y3 + 5y2 + 7)

Mathematics
1 answer:
stira [4]3 years ago
6 0

Answer:

-6y^3+7y^2-2

Step-by-step explanation:

(-2y^3+2y^2-9)+(-4y^3+5y^2+7)

-2y^3-4y^3+2y^2+5y^2-9+7

-6y^3+7y^2-2

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