Explicación paso a paso:
[tex]3 \times (2 + 5) + ( -6 \times 5 + 2) \\ \times (3 - 4) - (6 - 8) \\ = 3 \times (7) + ( - 30 + 2) \times ( - 1) \\ - ( - 2) \\ = 21 + ( - 28) \times ( - 1) + 2 \\ = 21 + 28 + 2 \\ = 51[/tex]
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Explicación paso a paso:
[tex]3 \times (2 + 5) + ( -6 \times 5 + 2) \\ \times (3 - 4) - (6 - 8) \\ = 3 \times (7) + ( - 30 + 2) \times ( - 1) \\ - ( - 2) \\ = 21 + ( - 28) \times ( - 1) + 2 \\ = 21 + 28 + 2 \\ = 51[/tex]