In what city did the national guard try to prevent nine black students from attending a segregated school in 1957?

Little Rock, Arkansas.

This is also from the movies, books, and other sources that you can find about the "Little Rock Nine" who faced horrible racial discrimination for simply being born black.

Hope this helped

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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