Question

Factorised form of 4xy – y + 4 – 16x is * please tell fast it is urgent​

Answer 1

Answer:

$4xy - y + 4 - 16x \\ = 4xy - y - 16x + 4 \\ = y(4x - 1) - 4(4x - 1) \\ = (4x - 1)(y - 4)$