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Mathematics

Answered

(-3x² + 6x - 12) + (5x + 9) is equivalent to expression

Answer :

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[tex]\begin{gathered} \mleft(-3x^2+6x-12\mright)+(5x+9) \\ =-3x^{2}+6x-12+5x+9 \\ =-3x^{2}+11x-3 \end{gathered}[/tex]

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