Which of these events related to the protestant reformationoccurred first in 1521?

Martin Luther refused to recant hid beliefs at the Diet of Worms.

Explanation: ;)

monasticism. people often do monasticism in monasteries

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