50.3k views
5 votes
Find ALL solutions:

x^4 + 8x = 0

User Mbarlocker
by
5.0k points

2 Answers

11 votes

Answer:

x= 0, -2, 1+i
√(3), 1-i
√(3)

Explanation:

Hope it helps ;)

10 votes

Answer:

x = 0 or x = -2

Explanation:

x^4+8x=0

Step 1: Factor left side of equation.

x(x+2)(x2−2x+4)=0

Step 2: Set factors equal to 0.

x=0 or x+2=0 or x2−2x+4=0

x=0 or x=−2

User Harshal Waghmare
by
5.7k points