Respuesta :

Answer:

1. [tex]15x^2 + 10x -9x + 7[/tex]

4. [tex]8x^3 + 20x^2 + 3x + 12[/tex]

5. [tex]11x^4 + 4x^2 -6x^2-16[/tex]

Step-by-step explanation: I did this assignment on edge.

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