Math
posted by Anna .
A: Solve the following equation:
k2 + 4k = 0
A: By factoring
B: By using the quadratic formula

A. Have you tried to factor it?
B. The quadratic formula, for an expression ax^2 + bx + c, states that x = (b +/ sqrt(b^2  4ac) ) / (2a). Use the given values of a, b, and c to find the solutions for x.