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zvonat [6]
3 years ago
13

Evaluate the expression when y=-7. y? +4y-1

Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0

Answer:

20

Step-by-step explanation:

y^2+4y-1=(-7)^2+4(-7)-1=(-7)(-7)-28-1=49-28-1=21-1=20

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