Any trait that aids the chances of survival and reproduction of an organism. An individual can NOT adapt to environment. A species can adapt over a very long period of time

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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