Question

1 –{-4. [-2 .(-8 + 5x2) -3 -4x2]- 5 + 6x3} porfabor

Answer 1

Respuesta:

=1−{−4⋅[−2⋅(5x2−8)−3−4x2]−5+6x3}=  

=1−{−4⋅[(−10x2+16)−3−4x2]−5+6x3}=

=1−{−4⋅[(−10x2+13)−4x2]−5+6x3}=

=1−{−4⋅[−14x2+13]−5+6x3}=

=1−{(56x2−52)−5+6x3}=

=1−{6x3+56x2−57}=

=−6x3−56x2+58