Who was Franklin Delano Roosevelt (FDR)?

Franklin Delano Roosevelt was 32th president, and was known for he was elected in the office four times...

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