+(-10)²+{-500-[-25+(300/50)-(-8²)]+300}-40
Ayúdenme Porfavor

Respuesta:
[tex]\star\texttt{Hola Espero Haberte Ayudado} \star[/tex]
[tex]\Huge \boxed{\texttt{Operaciones Combinadas}}[/tex]
Recuerda la Jerarquía de Operaciones Combinadas y Leyes de Signos:
+(-10)²+{-500-[-25+(300/50)-(-8²)]+300}-40
+(-10)²+{-500-[-25+(6)-(-8²)]+300}-40
+(-10)²+{-500-[-25+6-(-64)]+300}-40
+(-10)²+{-500-[-25+6+64]+300}-40
+(-10)²+{-500-[-19+64]+300}-40
+(-10)²+{-500-[+45]+300}-40
+(-10)²+{-500-45+300}-40
+(-10)²+{-545+300}-40
+(+100)+{-245}-40
+100-245-40
-145-40
[tex]\huge\boxed{\boxed{-185 \leftarrowtail Respuesta}}[/tex]