josephbonadeo josephbonadeo

21-01-2020
Mathematics

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(x2 + 10x + 21) - (x + 7)

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petya10 petya10

22-01-2020

Answer:

11x+14

Step-by-step explanation:

(2x+10x+21)-x-7 = 12x+21-x-7 = 11x+14

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