Matemática, perguntado por mariaramosbh1717, 7 meses atrás

(3+ab).(ab-3)

URGENTE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!POR FAVORRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

Soluções para a tarefa

Respondido por jacalm
1

Resposta:   a²b² - 9

Explicação passo-a-passo:

3ab - 3.3 + a²b² - 3ab     ( 3ab e -3ab se anulam )

a²b² - 9


jacalm: de nada : )
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