[tex]\mathrm{Quitar\:los\:parentesis}:\quad \left(a\right)=a[/tex]
[tex]=\frac{-4\left(-4\right)^7}{\left(-4\right)^8}\cdot \frac{2-\left(5\cdot \:4-8\right)}{-2\cdot \:2+3}[/tex]
[tex]=1\cdot \frac{-\left(5\cdot \:4-8\right)+2}{3-2\cdot \:2}[/tex]
[tex]=1\cdot \:10[/tex]
[tex]\mathrm{Multiplicar\:los\:numeros:}\:1\cdot \:10=10[/tex]
[tex]\boxed{=10}[/tex]
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[tex]\mathrm{Quitar\:los\:parentesis}:\quad \left(a\right)=a[/tex]
[tex]=\frac{-4\left(-4\right)^7}{\left(-4\right)^8}\cdot \frac{2-\left(5\cdot \:4-8\right)}{-2\cdot \:2+3}[/tex]
[tex]=1\cdot \frac{-\left(5\cdot \:4-8\right)+2}{3-2\cdot \:2}[/tex]
[tex]=1\cdot \:10[/tex]
[tex]\mathrm{Multiplicar\:los\:numeros:}\:1\cdot \:10=10[/tex]
[tex]\boxed{=10}[/tex]