Twelve battles were fought for control of this italian river which one is it

Isonzo river is the Italian river in which Italians and Austrians fought twelve battles for its control. The Isonzo Battle or more commonly known as the Isonzo Front is a 12 battles series between the Italian and Austro-Hungarian soldiers in WWI typically on Slovenia territory and the remains in Italy beside the River of Isonzo in the eastern Italian Front from June 1915 up to Nov 1917.

b. used to hunting for their food.

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