Question
Hi I know is is probably basic but can anyone assist with the following :
Find all real Roots, expressing as whole # and # under radical sign, not as fraction. and factor completely
f(x)= X^3-2x^2-15x+30
I got roots at 2 (x-2) and +/- √5
If someone solves and gets factored as
(x-2) (x^2-15) can you show me line by line how to factor x^2-15?
Thank you
Find all real Roots, expressing as whole # and # under radical sign, not as fraction. and factor completely
f(x)= X^3-2x^2-15x+30
I got roots at 2 (x-2) and +/- √5
If someone solves and gets factored as
(x-2) (x^2-15) can you show me line by line how to factor x^2-15?
Thank you