Question

Help please?
|-4b-8|+|-1-b^{2}|+2b^{3} ; b=-2

Answer 1

|-4b-8|+|-1-b^{2}|+2b^{3} ; b=-2 \(\bf \implies |-4(\color{red}{2})-8|+|-1-(\color{red}{2})^{2}|+2(\color{red}{2})^{3} \)