Respuesta :

Answer:

[tex](6x + 5) + (8y + 9x) + ( - 3 - 3y)(6x + 5) + (8y + 9x) -( 3 - 3y) \\ =6x + 5 + 8y + 9x - 18x - 15 - 18xy - 15y + 8y + 9x - 3 - 3y \\ =6x - 2y - 18xy - 13[/tex]

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