Which us region is most often considered a historical center for finance, medicine, education, and commerce?

he was sent to prison on various charges for protesting south africa's policies of apartheid

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