What was the single most factor that led to two different ways of life in north and south?

the american revolution led to the creation of a democratic republic,is the correct answer;

but whats the question? ?

explanation:

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

the correct answer would in fact be b. (: