Answer:
Im not sure abt the A part. BUT I do know b and c.
Answer: B) 3x^2-13x-30=0
(3x+5) (x-6)=0
3x+5=0 x-6=0
3x=-5 x-6=0
Answers that are the Roots: [ x=-5/3] and [x=6]
Answer: C) Set factors equal to 0 to find the roots.
Explanation:
Don't really need one but hope this helps.