WILL MARK BRAINLIEST IF CORRECT What region was seen as the “powder keg” of Europe prior to WWI starting?
Middle-East
Balkan Peninsula
China
Switzerland

 Balkan Peninsula

Explanation:  The “Balkan powder keg,” also termed the “powder keg of Europe,” refers to the Balkans in the early part of the 20th century preceding World War I.

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