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Short Answer: Find the difference (7x^3-6x^2+6) - (2x^2-4x-9)

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Short Answer: Find the difference (7x^3-6x^2+6) - (2x^2-4x-9) Please show work.
asked Mar 12, 2014 in ALGEBRA 2 by harvy0496 Apprentice

1 Answer

+1 vote

(7x ^3 - 6x ^2 + 6) - (2x ^2 - 4x - 9)

= 7x ^3 - 6x ^2 + 6 - 2x ^2 + 4x + 9

= 7x ^3 - 8x ^2 + 4x + 15.

(7x ^3 - 6x ^2 + 6) - (2x ^2 - 4x - 9) = 7x ^3 - 8x ^2 + 4x + 15.

answered Mar 21, 2014 by dozey Mentor

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