Mathematics
Answer
(3x - 2y)2 - 5(3x - 2y) - 24
= (3x - 2y)2 - (8 - 3)(3x - 2y) - 24
= (3x - 2y)2 - 8(3x - 2y) + 3(3x - 2y) - 24
= (3x - 2y)((3x - 2y) - 8) + 3((3x - 2y) - 8)
= (3x - 2y)(3x - 2y - 8) + 3(3x - 2y - 8)
= (3x - 2y - 8)(3x - 2y + 3)
Hence,(3x - 2y)2 - 5(3x - 2y) - 24 = (3x - 2y - 8)(3x - 2y + 3)