What is a Summary of utopian communities in America

Hine in California's Utopian Colonies, includes “a group of people who are attempting to establish a new social pattern based upon a vision of the ideal society and who have withdrawn themselves from the community at large to embody that vision in experimental form." They are composed of either religious or secular

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

the answer is a) high entry costs