How did the federal government with the construction of railroads?

hm im not sure yet you should go to google or siri and ask her

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

this question makes no sense dude