Use the FOIL Method to Multiply the Binomials $$( 9 x - y ) ( 7 x - 12 y )$$

Use the FOIL method to multiply the binomials. Assume any variable exponents represent whole numbers.
- $$( 9 x - y ) ( 7 x - 12 y )$$

A) $16 x ^ { 2 } - 115 x y + 12 y ^ { 2 }$
B) $63 x ^ { 2 } - 115 x y - 12 y ^ { 2 }$
C) $63 x ^ { 2 } + 115 x y + 12 y ^ { 2 }$
D) $63 x ^ { 2 } - 115 x y + 12 y ^ { 2 }$

Correct Answer:

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