67.8k views
3 votes
I need help with this problem.
x3+4x

User Meryovi
by
8.2k points

1 Answer

4 votes

Answer: x=0 x=2i x=-2i

if your factoring: x(x^2+4)

Explanation:

(if your solving for x)


x^(3) +4x\\x(x^(2) +4)\\\\x=0\\\\x=(-b)/(2a)(+)/(-) (√(b^2-4ac))/(2a) \\\\x=(0)/(2)(+)/(-) (√(0^2-16))/(2) \\x={0}}(+)/(-) (√(-16))/(2) \\


x={0}}(+)/(-) (4i)/(2) \\\\\\x=(+)/(-)2i

User Crowdpleasr
by
8.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories