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04-03-2020
Mathematics

contestada

–3(y – 5)2 – 9 + 7y.

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Аноним Аноним

04-03-2020

Answer:

4y+8

Step-by-step explanation:

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

distribute -3 to y-5, so it is now -3y+15

(-3y+15) 2-9+7y

subtract 2 and 9 2-9= -7

-3y+15-7+7y

combine like terms -3y+7y+15-7

4y+8

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