Matemática, perguntado por wesleyaraujo55817, 1 ano atrás

5xy - { -(2xy + 5x ) + [3y - ( -xy +x +3xy )]}​

Soluções para a tarefa

Respondido por GeBEfte
10

5xy - \{ -(2xy + 5x ) + [3y - ( -xy +x +3xy )]\}\\\\\\5xy -\{ -(2xy + 5x ) + [3y - ( x +2xy )]\}\\\\\\5xy -\{ -(2xy + 5x ) + [3y - x -2xy ]\}\\\\\\5xy -\{ -2xy - 5x + [3y - x -2xy ]\}\\\\\\5xy -\{ -2xy - 5x + 3y - x -2xy \}\\\\\\5xy -\{ -4xy - 6x + 3y\}\\\\\\5xy+4xy+6x-3y\\\\\\\boxed{9xy+6x-3y}

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