What is the correct simplification of (4x^3 − 3x − 7) + (3x^3 + 5x + 3).
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What is the correct simplification of (4x^3 − 3x − 7) + (3x^3 + 5x + 3).

[From: ] [author: ] [Date: 11-05-07] [Hit: ]
......
& what is the correct simplification of (5x − 6)(2x^2 − 3x − 6).

Thank you :)

-
7x^3 + 2x - 4

10x^3 - 27x^2 - 12x + 36

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4x^3 - 3x - 7
3x^3 +5x +3
----------------------
7x^3 +2x-4

10x^3-15x^2-30-12x^2+18x+36=

10x^3-27x^2+3x+36
1
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