How do you simplify #-2[9 - (x + 7)]#?
1 Answer
Oct 5, 2016
Explanation:
Begin by distributing the bracket which is inside the 'square bracket'
That is.
#-2[9-x-7]# and simplifying to obtain.
#-2(-x+2)# distribute to obtain simplification.
#rArr-2(-x+2)=2x-4#
