Question

3-2[{-2(3+4)-(4-5)²]-5(2+1)²}​

Answer 1

Respuesta:

123

Explicación paso a paso:

$3-2[${$-2(3+4)-(4+5)^{2}]-5(2+1)^{2}$}

$3-2[${$-2(7)-(-1)^{2}]-5(3)^{2}$}

$3-2[${$-14-1]-5(9)$}

$3-2[${$-14-1]-45$}

$3-2$ {$-15-45$}

$3-2${$-60$}

$3+120\\123$