Which factor is most closely associated with the decision of United States to declare war on Spain in 1898?

Labor union pressure

yellow journalism

unrestricted submarine warfare

isolationist policy

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

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