Question

x – 2y – x2 + 4y2 plz factorise it ​

Answer 1

Step-by-step explanation:

$x - 2y - x {}^{2} + 4y {}^{2} \\ x(1 - x) - 2y(1 - y) \\ (1 - x)(1 - y)(x - 2y)$

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