Factor Completely $9 x^{2}+24 x+16$ A) $(3 x-4)^{2}$ B) $(4 \mathrm{x}+3)^{2}$ C) $(3 x+4)^{2}$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write "prime."
- $9 x^{2}+24 x+16$

A) $(3 x-4) ^{2}$
B) $(4 \mathrm{x}+3) ^{2}$
C) $(3 x+4) ^{2}$
D) prime