$x^{2} - x z + x y - y z = ? (a) (x - y) (x + z) (b) (x - y) (x - z) (c) (x + y) (x - z) (d) (x - y) (z - x)$

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Solution

$x^{2} - x z + x y - y z = x (x - z) + y (x - z) = (x - z) (x + y)$

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Tick (✓) the correct answer:
x² − xz + xy − yz = ?
(a) (x − y)(x + z)
(b) (x − y)(x − z)
(c) (x + y)(x − z)
(d) (x − y)(z − x)

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