I need help evaluating this expression... I don't really understand this type of thing so I would love it if you could help me through the steps. :-)

|-4b-8|+|-1-b^2|+2b^3; b=-2

Question

I need help evaluating this expression... I don't really understand this type of thing so I would love it if you could help me through the steps. :-) 

|-4b-8|+|-1-b^2|+2b^3; b=-2

melissa_something · Answer

Hello :) 
Fist let's substitute b into the equation and simplify:
|8-8| + |-1 -(-2)^2| +2 (-2)^3

melissa_something · Answer

After you did all the annoying little stuff you should get 0+ |-5| +2(-2)^3

melissa_something · Answer

The absolute value is the distance between a number and zero. The distance between a number and zero

melissa_something · Answer

The distance between -5 and 0 is 5. So 0 + 5- 16

annasam1813 · Answer

So then it would be -11?

melissa_something · Answer

YES!!!!

melissa_something · Answer

Yayyy :)

annasam1813 · Answer

Oh my goodness XD I get how you got it, thank you so much. :-) <3