Philosophers during the Enlightenment of the 1600s and 1700s A: were most concerned with faith and religion. B: were disdainful of art and science. C: used emotion as a guiding principle. D: used reason to try to improve people’s lives.

The answer is D

Explanation:

None of the other answers make sense other than A, but it is D.

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