How do you simplify #3(-5x - 7) - (6x)#?

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Answer 1 · 2015-10-31T16:08:43

-21 (#x# +1)

Firstly you open the bracket i.e multiply #( -5x -7)# by 3

SO,

#3. (-5x) - 7.3 - 6x #
#-15x - 21 -6x #
#-21x - 21 #

Take -21 common,

So,

-21 (#x# +1)