Question

Faktorkanlah x² - xy - 2y² - x - 4y - 2!

Answer 1

X² - xy - 2y² - x - 4y - 2
= (-2y + x - 2 ) (y + x + 1)
= -2y² - 2xy - 2y + xy + x² + x - 2y - 2x - 2
= -2y² - 2xy + xy - 2y - 2y + x² + x - 2x - 2
= -2y² - xy - 4y + x² - x - 2

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