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Elis [28]
3 years ago
10

Add. *

Mathematics
1 answer:
Ann [662]3 years ago
3 0

Answer:

31x³-60x²+7x-75

Step-by-step explanation:

(30x³-49x³+7x)+(50x³-60x²-75)

(-19x³+7x)+(50x³-60x²-75)

-19x³+50x³+7x-60x²-75

31x³-60x²+7x-75

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