How was cyrus mccormick’s 1834 invention used?

With the invention of McCormick's mechanical reaper, successful crops and production increased.

This is due to the fact that with this device enormous human work was saved and more hectares of cultivated land could be co-located more quickly. In addition, the harvesting was easier and the agricultural industry improved with other inventions that were inspired by McCormick’s mechanical reaper.

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

answer: an oligarchy is a political system in which the government is run by a group of noble families, or the elite wealthy members of a society. a present day oligarchic government is iran.

explanation: