Which part of the map is the sub region Europe

Explanation:

The subregions of Europe are central europe, eastern europe, western europe, northern europe, and southern europe. The British Isles might also be but im not completely sure.

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but

b) the confederacy had to pay all union war expenses.