What would the world be like if the Agricultural Revolution had not happened?

Without an Agricultural Revolution, there would be much less movement of plants and animals across the globe, supporting a higher degree of biodiversity due to less competition from particularly robust, well adaptive species capable of driving out other, less competitive species.

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