Question

factorise
1 + X + y - z + xy - yz - zx - xyz​

Answer 1

HOPE IT HELPS........!!!!!

Answer 2

Answer:

(xy • (ab - 1)) + xz • (1 - ab)

xy • (ab - 1) + xz • (1 - ab)

:

Pull out ab-1

Note that 1-ab =(-1)• ab-1

After pulling out, we are left with :

(ab-1) • ( xy * (-1) - xz * (-1) ))4.1 Pull out like factors :

xz - xy = -x • (y - z)

Final result :

-x • (ab - 1) • (y - z)

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Explanation: