Question

Factorise 1/4-1/4x2-2xy-4y2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

1/4 - 1/4x² - 2xy - 4y²

1/4 - {1/4x² + 2xy + 4y²}

(1/2)² - {(x/2 + 2y)²}

{1/2 + (x/2 + 2y)} {1/2 - (x/2 + 2y)}

(1 + x + 4y/2) (1 - x - 4y/2)

=> (1 + x + 4y) (1 - x - 4y) / 4