Describe the most efficient route for transporting goods from Baltimore to Richmond

here are 128.85 miles from Richmond to Baltimore in northeast direction and 146 miles (234.96 kilometers) by car, following the I-95 N route. Richmond and Baltimore are 2 hours 32 mins far apart, if you drive non-stop .

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