The invention of the automobile influenced where people could live.

Automobiles have a great influence where people could live. Due the invention of new methods of transportation, cars have changed the way of living of people also it has an impact on economy and businesses. Now people lived in a different state and worked in a different, because covering far distances become easy with vehicles as compare to the time when there is no cars etc. people traveled on foot or on horses. Automobiles makes life easier.

a. competition with other nations.

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