Explain how ironclad ships gave the Northern navy an advantage over the South. please

Explanation:

Back then Ironclad ships were a huge advantage because they were immune to cannon balls the main weapon source of the time, The only thing that could take down an ironcald was another ironclad.

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

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