Which was a cause of the Iran hostage crisis in 1979

 The Iranian Hostage Crisis, a diplomatic conflict caused by the holding in captivity of United States embassy personnel by Iranian militants from November 4, 1979, to January 20, 1981. The crisis was precipitated when Mohammed Riza Pahlavi, the deposed shah, was allowed into the United States for medical treatment.

Explanation:

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

the answer would more than likely a.)falling crop prices  

hope the answer is right and ,either way have a nice day.