What are the zeros for #x^ { 3} + 9x ^ { 2} + 4x + 36#?
1 Answer
Nov 9, 2017
The roots are
Explanation:
We can factor as following:
#x^2(x + 9) + 4(x + 9)#
#(x^2 +4)(x + 9)#
If we set to
#(x^2 + 4)(x +9) = 0#
Solving for
Hopefully this helps!