Question

43- {-6x[-4x(-16+5x2)-5-8x3]-5x6+2}

Answer 1

primero paréntesis

43- {-6x[-4x(-16+5x2)-5-8x3]-5x6+2}

= 43- {-6x[-4x(-16+5x2)-5-8x3]-28}
=43- {-6x[-4x(-16+10)-5-24]-28}
=43- {-6x[-4x(-16+10)-5-24]-28}
=43- {-6x[-4x(-6)-29]-28}
=43- {-6x[-24-29]-28}
=43- {-6x[-53]-28}
=43- {318-28}
=43- {318-28}
=43-290
=-247