algebra
posted by lena on .
Solve the following equation:
k2 + 4k = 0
By factoring and By using the quadratic formula
Can someone please help me to understand how to this problem...I do not understand the steps to get the correct answer.
Thanks!!!

2k + 4k = 0
First, combine like terms. In this case, the k's:
6k = 0
Simplify by dividing by 6 on both sides:
6k/6 = k
0/6 = 0
So,
k = 0