Factor completely 3x2 + x + 7.
A(3x + 1)(x + 7)
B(3x + 7)(x + 1)
CPrime
D(3x + 4)(x + 3)
A(3x + 1)(x + 7)
B(3x + 7)(x + 1)
CPrime
D(3x + 4)(x + 3)