Why do you think other parts of the world experienced “golden ages” during a time when most europeans struggled through the dark ages?

why do you think kush in nubia is not as well-known as egypt?

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