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10-12-2020
Mathematics

contestada

- 3x²-x²+54-40 - 2x² + 6x +20

Respuesta :

gomandiraarun gomandiraarun

10-12-2020

Answer:

-6x² + 6x + 34

Step-by-step explanation:

-3x² - x² - 2x²

6x

+54 - 40 + 20

Now solve each step by step:

-6x² + 6x + 34

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