Use Factoring to Find the Zeros of the Quadratic Function $$f ( x ) = x ^ { 2 } + 6 x - 40$$

Multiple Choice

Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.
- $$f ( x ) = x ^ { 2 } + 6 x - 40$$

A) $x = - 10 , x = 1$
B) $x = 10 , x = - 4$
C) $x = 10 , x = 4$
D) $x = - 10 , x = 4$