Use the Discriminant to Determine If the Equation Can Be $16 m^{2}-10 m-21=0$

Multiple Choice

Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.
- $16 m^{2}-10 m-21=0$

A) $(8 m-3) (2 m+7) =0$
B) $(16 m+3) (m+7) =0$
C) $(2 m-3) (8 m+7) =0$
D) Cannot be solved by factoring