Why was the plague able to spread so quickly throughout Constantinople?

Infected Rats

Explanation:

It is believed that infected rats made their way onto the ships, these ships carried grain that was meant to feed everyone, so any of the grain that was infected was transferred to anyone that consumed said grain.

by creating a labor shortage that pushed the continent toward a market economy

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