(7x^2 - x - 2) - ( -6x^3 + 3) A. 6x^3 + 7x^2 - x - 5 B. -6x^3 + 7x^2 - x + 1 C. -x^3 - x - 5 D. x^2 - x + 1

asked Sep 19, 2017 51.2k views

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(7x^2 - x - 2) - ( -6x^3 + 3)

A. 6x^3 + 7x^2 - x - 5
B. -6x^3 + 7x^2 - x + 1
C. -x^3 - x - 5
D. x^2 - x + 1

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7x^2 + -x + -2 + 6x^2 + - 3

6x^3 + 7x^2 – x – 5

Your answer is A: 6x^3 + 7x^2 – x – 5

Cristiano answered Sep 25, 2017

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