How was the song dynasty able to continue its prosperity despite threats from the

a is true because it know the force.

ps maybe give us more info?

#mabyeustupid #fatboy

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