-3(5-6)-4(2-3)=?

1 Answer
Meave60
Jun 18, 2018

#-3(5-6)-4(2-3)=color(blue)7#

Explanation:

Simplify:

#-3(5-6)-4(2-3)#

Follow the order of operations:

P arentheses/brackets

E xponents

M ultiplication and D ivision in order from left to right.

A ddition and S ubtraction in order from left to right.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Simplify parentheses #(5-6)# to #-1#.

#-3(-1)-4(2-3)#

Simplify parentheses #(2-3)# to #-1#.

#-3(-1)-4(-1)#

Simplify #-3(-1)# to #3# by multiplying.

#3-4(-1)#

Simplify #4(-1)# to #-4# by multiplying.

#3-(-4)#

Simplify parentheses #3-(-4)# to #3+4# by multiplying.

#3+4#

Simplify #3+4# to #7# by addition.

#7#

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