The factors of x3-1-y3-3 x y area x-1-yx2-1-y2-x-y-x yb x-y-1x2-y2-1-x y-x-yc x-1-yx2-1-y2-x-y-x yd 3x-y-1x2-y2-1

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Polynomials

The factors o...

Question

The factors of x³ − 1 + y³ + 3xy are

(a) (x − 1 + y) (x² + 1 + y² + x + y − xy)

(b) (x + y + 1) (x² + y² + 1 −xy − x − y)

(c) (x − 1 + y) (x² − 1 − y² + x + y + xy)

(d) 3(x + y −1) (x² + y² − 1)

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