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gayaneshka [121]
3 years ago
11

PLS HELP I don’t understand

Mathematics
1 answer:
Radda [10]3 years ago
8 0

Answer:

180

Step-by-step explanation:

the 2nd one is 90 and third is DE

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Answer: y^4 + \frac{-73}{35}y^2- 2

Step-by-step explanation:

Use FOIL:

y^4 + \frac{-14}{5}y^2 + \frac{5}{7}y^2 + \frac{-70}{35}

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y^4 + \frac{-98}{35}y^2 + \frac{25}{35} y^2 + \frac{-70}{35}

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