How do you combine like terms in ##-4+ 7( 1- 3x )##?
February 20th, 2023
##3 – 21x##
or
##3(1 – 7x)##
First, expand the terms in parenthesis by multiplying each term in the parenthesis by ##7##:
##-4 + (7*1) – (7*3x) ->##
##-4 + 7 – 21x##
Now you can combine like terms, which in this problem is just the constants:
##(-4 + 7) – 21x##
##3 – 21x##
or
##3(1 – 7x)##