Factorise 27p2x2 – 48y2.

Factorise 27p2x2 – 48y2.
  • A.
    9(3px – 4y)2
  • B.
    3(3px – 4y)(3px – 4y)
  • C.
    9(px – 4y)(3p x + 4y)
  • D.
    3(3px -4y)(3px +4y)
Correct Answer: Option D
Explanation

27p2x2 – 48y2; 3(32 p2x2-42y2)
3[(3px) 2 – (4y) 2]; 3[(3px-4y)(3px+4y)]

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