Simplified form of the expression (x^3+3x^2+6)-(9x^2-5x+7)

1 answer:

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$(x^3 + 3x^2 + 6) - (9x^2 - 5x + 7)\\\\x^3 + 3x^2 + 6 - 9x^2 + 5x - 7\\x^3 - 6x^2 + 5x -1$

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