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Choose the correct simplification of (6x3 − 7x − 4) + (4x3 + 8x + 3). (5 points)

2x3 − 15x − 7
10x3 + x − 1
2x3 + 15x + 6
10x3 − x − 1

Answer :

doomdabomb

Answer:

10x^3 + x - 1

Step-by-step explanation:

(6x^3 -7x - 4) + (4x^3 + 8x + 3)

Combine like terms

6x^3 + 4x^3 = 10x^3

Combine like terms

-7x + 8x = x

Combine like terms

-4 + 3 = -1

Combine the results of the terms

10x^3 + x - 1

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