Use One of the Appropriate Patterns $( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 }$

Multiple Choice

Use one of the appropriate patterns $( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 }$ ; $( a - b ) ^ { 2 } = a ^ { 2 } - 2 a b + b ^ { 2 }$ ; $( a + b ) ( a - b ) = a ^ { 2 } - b ^ { 2 }$ to find the following product. $( 3 x - 2 ) ^ { 2 }$

A) $9 x ^ { 2 } + 12 x + 4$
B) $9 x ^ { 2 } - 12 x + 4$
C) $9 x ^ { 2 } - 6 x + 4$
D) $9 x ^ { 2 } - 12 x + 2$
E) none of these