How do you simplify #-c (3b - 7a)#?
1 Answer
Mar 25, 2017
Explanation:
Each term in the bracket must be multiplied by - c
This is referred to as the
#color(blue)"distributive law"#
#rArrcolor(red)(-c)(3b-7a)#
#=(color(red)(-c)xx3b)+(color(red)(-c)xx-7a)#
#=-3bc+7ac=7ac-3bc#
