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30-06-2020
Mathematics

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Add: x5 - 4x + + 7x3 + 8, 9x 3 + 7x2 - 10, and -2x 5 + 7x4 - 3x + 8.
ED

Respuesta :

30-06-2020

Step-by-step explanation:

x5 - 4x + 7x3 + 8 + 9x3 + 7x2 - 10 - 2x5 + 7x4 - 3x + 8

Arranging

x5 - 2x5 + 7x4 + 7x3 + 9x3 + 7x2 - 4x - 3x + 8 - 10 +8

-1 + 7x4 + 16x3 + 7x2 - 7x + 6

7x4 + 16x3 + 7x2 - 7x + 5

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