Posted by sue on .
find all complex zeros for the following polynomial function please show all your work
f(x) = x^3  125
????????

algebra 
Reiny,
we have a difference of cubes
x^3  125 = (x5)(x^2 + 5x + 25)
the quadratic has complex roots of
x = (5 ± √75)/2
= (5 ± 5√3)/2
= (5 ± 5√3 i )/2 
algebra 
sue,
what does the question mark mean????

algebra 
Anonymous,
On Monday 222 students went on a trip to the zoo all 4 buses where in each bus