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Mathematics 7 Online
OpenStudy (anonymous):

.(4x3 + 2x2 + 3x + 8) - (x3 - 5x2 + 11x - 9)

OpenStudy (anonymous):

\[.(4x^3 + 2x^2 + 3x + 8) - (x^3 - 5x^2 + 11x - 9)\] start with distributing the minus sign to get \[4x^3 + 2x^2 + 3x + 8- x^3 + 5x^2 - 11x + 9\] then combine like terms

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