content area top Part 1 Fully Factor the given polynomial. (2 marks) 6 x cubed y squared minus 12 x Superscript 9 Baseline y Superscript 9 Baseline minus 15 x Superscript 7 Baseline y Superscript 7 Question content area bottom Part 1 Select the correct choice below and, if necessary, fill in the answer box within your choice. A. 6 x cubed y squared minus 12 x Superscript 9 Baseline y Superscript 9 Baseline minus 15 x Superscript 7 Baseline y Superscript 7equals enter your response here(Completely factor the expression and write your answer with all required brackets) B. The polynomial is prime and cannot be factored