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January 31, 2015

January 31, 2015

Posted by **Jessica** on Tuesday, February 22, 2011 at 9:31pm.

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^2-4x+16)

Now how do i find the roots of (x+4) and the roots of (x^2-4x+16)

Thanks

- Algebra 2 -
**bobpursley**, Tuesday, February 22, 2011 at 9:37pmthe root of x+4=0 is x=-2

the roots of the next can be solved by the quadratic equation..

x=(4+-sqrt(16-64))/2

that gives you three roots.

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