Explicación paso a paso:
[tex] - 2(4 - 3(9 + 2(2 - 5)) - 1) = \\ - 2(4 - 3(9 + 2( - 3) - 1) = \\ - 2(4 - 3(9 + ( - 6)) - 1 = \\ - 2(4 - 3(3) - 1) = \\ - 2(4 - 9 - 1) = \\ - 2( - 6) = 12[/tex]
espero te sirva
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Verified answer
Explicación paso a paso:
[tex] - 2(4 - 3(9 + 2(2 - 5)) - 1) = \\ - 2(4 - 3(9 + 2( - 3) - 1) = \\ - 2(4 - 3(9 + ( - 6)) - 1 = \\ - 2(4 - 3(3) - 1) = \\ - 2(4 - 9 - 1) = \\ - 2( - 6) = 12[/tex]
espero te sirva