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10-09-2021
Mathematics

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Evaluate the following if y=−3: 2y^2 −4y −9

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Yang100 Yang100

11-09-2021

Answer:

21

Step-by-step explanation:

2y^2-4y-9

2(-3)(-3)-4(-3)-9

2(9)-4(-3)-9

18+12-9

30-9

21

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