Throughout this course, you've studied the concept of centralizing governmental power. In this process, large amounts of land and people come under the control of a single government. What might be the advantages to a society that centralizes its government (such as the Sui Dynasty in China) compared to a decentralized system (such as Ancient Greece)?

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

there has only been 12 presidents. the 12th president is/was moon jae-in

yup! you are correct it is b.