WAEC - Mathematics (2009 - No. 10)

Factorize x² - 2x - 3xy completely

(x - 2)(3x - y)

(x - 3y)(x - 2)

(x - 3y)(x - 3y)

(3x + y)(x - 2)

解释

x² - 2x - 3xy + 6y = x(x - 2) -3y(x - 2)

= (x - 3y)(x - 2)

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