Why did southern cities grow more slowly than Northern cities

the south had fewer railroads than the north. railroads were important as it was used for transportation.

a.that is my answer.

brainliest .

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