Answer:
Step-by-step explanation:
a=2
b=-4
lxl=absolute values
absoulte values are the distance away from 0.
In this case the absolute value of -4, is 4.
Plug in the values:
(sqrt 2^3-7)+l-4l
(sqrt8-7) +4
(sqrt1)+4
1+4
5
Exact Form: 2 sqr root 2 -3 Decimal Form: -0.171578287
Hope this helps!!! :)
