How do you simplify #-4(-9w-5)+8(9w-1)#?

1 Answer
Sep 11, 2016

Refer to the explanation.

Explanation:

#color(red)(-4(9w-5))+color(blue)(8(9w-1))#

Expand #color(red)(-4(9w-5))#.

#color(red)(-36w+20)+color(blue)(8(9w-1))#

Expand #color(blue)(8(9w-1))#.

#color(red)(-36w+20)+color(blue)(72w-8)#

Gather like terms.

#-36w+72w+20-8#

Simplify.

#36w+12#