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23-01-2020
Mathematics

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(7x2 + 3x + 9) + (2x2 + 5x – 2)

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Аноним Аноним

23-01-2020

Answer:

8x + 25

Step-by-step explanation:

7 * 2 + 3x + 9 = 3x + 23

2 * 2 + 5x - 2 = 5x + 2

3x + 23 + 5x + 2 = 8x + 25

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