Posted by Jessica on Tuesday, February 22, 2011 at 9:31pm.
How do I solve polynomial equation by finding all complex roots?
The problem is:
factor each expression and find all complex roots of x^3+64
I got as far as x^3+64=(x+4)(x^24x+16)
Now how do i find the roots of (x+4) and the roots of (x^24x+16)
Thanks

Algebra 2  bobpursley, Tuesday, February 22, 2011 at 9:37pm
the root of x+4=0 is x=2
the roots of the next can be solved by the quadratic equation..
x=(4+sqrt(1664))/2
that gives you three roots.

Algebra 2  pop, Thursday, March 19, 2015 at 9:28am
When a trinomial is factored as (x + m)(x + n), what is the sum of m and n?
A. The coefficient of the xterm of the trinomial
B. The constant term of the trinomial
C. The degree of the trinomial
D. The coefficient of the x2term of the trinomial
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