3. what tactics did the united states use to contain communism in the western hemisphere?

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

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.