Find the Indicated Product by Using the Shortcut Pattern for Multiplying

Multiple Choice

Find the indicated product by using the shortcut pattern for multiplying binomials. ( x + 3) ( x + 4)

A) $8 x ^ { 2 } + 12$
B) $8 x ^ { 2 } - 12$
C) $x ^ { 2 } + 4 x + 12$
D) $x ^ { 2 } + 7 x + 12$
E) $x ^ { 2 } + 12 x$