How did warfare change during ww1 then during this time ie guns, chemical warfare, plane, strategies

World War I marks one of the greatest jumps in warfare in human history.

The reason for this is that World War I was the first world war after the industrial revolution really hit its stride. So, advances in technology were able to be translated into the battlefield causing a massive loss of life at the hands of chemical weapons, aircraft, tanks, and more.

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:

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